import java.io.*;
import java.util.*;
import java.lang.*;

public class Main {
	
	public static void main(String[] args) {
		FastScanner sc = new FastScanner();
		out = new PrintWriter(new BufferedOutputStream(System.out));
		int a[]=new int[5];
		int min=10;
		for (int i = 0; i < 5; i++) {
			a[i]=sc.nextInt();
			if(a[i]%10!=0) {
				min=Math.min(min,a[i]%10);
			}
		}
		int ans=0;
		for (int i = 0; i < 5; i++) {
			if(a[i]%10==0) {	
				ans+=a[i];
			}else {
				ans+=10*(a[i]/10+1);
			}
		}
		if(min!=10) {
		ans-=10-min;	
		}
		
	
		out.println(ans);
		out.close();
	}
	static int gcd(int a,int b) {
		if(a==0) {
			return b;
		}
		return gcd(b%a,a);
	
	}

	
	
	
	
//----------------------------------------------------------
	static int l_min(int[] a) {
		Arrays.sort(a);
		return a[0];
	}
	static int l_max(int[] a) {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	}
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	
}


class UnionFind{
	int parent[];
	int rank[];
	int size[];
	UnionFind(int n) {
		parent=new int[n];
		rank=new int[n];
		size=new int[n];
		for(int i=0;i<n;i++) {
			parent[i]=i;
			rank[i]=0;
			size[i]=1;
		}
	}
	
	void union(int x,int y) {
		int xRoot=find(x);
		int yRoot=find(y);


		if(xRoot!=yRoot) {
			
			if(rank[xRoot]>rank[yRoot]) {
				parent[yRoot]=xRoot;
				size[xRoot]+=size[yRoot];
				
			}else if(rank[xRoot]<rank[yRoot]){
				parent[xRoot]=yRoot;
				size[yRoot]+=size[xRoot];
				
			}else {
				parent[yRoot]=xRoot;
				rank[xRoot]++;
				size[xRoot]+=size[yRoot];
			}
		}
		
	}
	
	int find(int x) {
		if(parent[x]==x) {
			return x;
		}else {
			return find(parent[x]);
		}
		
	}
	
	boolean same(int x,int y) {
		return find(x)==find(y);
	}
	
	
	
}





class FastScanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
    private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
    public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    }
    public double nextDouble() { return Double.parseDouble(next());}
} import java.io.*; io.* java import java.util.*; util.* java import java.lang.*; lang.* java public class Main {
	
	public static void main(String[] args) {
		FastScanner sc = new FastScanner();
		out = new PrintWriter(new BufferedOutputStream(System.out));
		int a[]=new int[5];
		int min=10;
		for (int i = 0; i < 5; i++) {
			a[i]=sc.nextInt();
			if(a[i]%10!=0) {
				min=Math.min(min,a[i]%10);
			}
		}
		int ans=0;
		for (int i = 0; i < 5; i++) {
			if(a[i]%10==0) {	
				ans+=a[i];
			}else {
				ans+=10*(a[i]/10+1);
			}
		}
		if(min!=10) {
		ans-=10-min;	
		}
		
	
		out.println(ans);
		out.close();
	}
	static int gcd(int a,int b) {
		if(a==0) {
			return b;
		}
		return gcd(b%a,a);
	
	}

	
	
	
	
//----------------------------------------------------------
	static int l_min(int[] a) {
		Arrays.sort(a);
		return a[0];
	}
	static int l_max(int[] a) {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	}
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	
} Main public static PrintWriter out; out public static void main(String[] args) {
		FastScanner sc = new FastScanner();
		out = new PrintWriter(new BufferedOutputStream(System.out));
		int a[]=new int[5];
		int min=10;
		for (int i = 0; i < 5; i++) {
			a[i]=sc.nextInt();
			if(a[i]%10!=0) {
				min=Math.min(min,a[i]%10);
			}
		}
		int ans=0;
		for (int i = 0; i < 5; i++) {
			if(a[i]%10==0) {	
				ans+=a[i];
			}else {
				ans+=10*(a[i]/10+1);
			}
		}
		if(min!=10) {
		ans-=10-min;	
		}
		
	
		out.println(ans);
		out.close();
	} main {
		FastScanner sc = new FastScanner();
		out = new PrintWriter(new BufferedOutputStream(System.out));
		int a[]=new int[5];
		int min=10;
		for (int i = 0; i < 5; i++) {
			a[i]=sc.nextInt();
			if(a[i]%10!=0) {
				min=Math.min(min,a[i]%10);
			}
		}
		int ans=0;
		for (int i = 0; i < 5; i++) {
			if(a[i]%10==0) {	
				ans+=a[i];
			}else {
				ans+=10*(a[i]/10+1);
			}
		}
		if(min!=10) {
		ans-=10-min;	
		}
		
	
		out.println(ans);
		out.close();
	} FastScanner sc = new FastScanner(); sc new FastScanner() out = new PrintWriter(new BufferedOutputStream(System.out)) out new PrintWriter(new BufferedOutputStream(System.out)) int a[]=new int[5]; a new int[5] 5 int min=10; min 10 for (int i = 0; i < 5; i++) {
			a[i]=sc.nextInt();
			if(a[i]%10!=0) {
				min=Math.min(min,a[i]%10);
			}
		} int i = 0; int i = 0; i 0 i < 5 i 5 i++ i++ i {
			a[i]=sc.nextInt();
			if(a[i]%10!=0) {
				min=Math.min(min,a[i]%10);
			}
		} {
			a[i]=sc.nextInt();
			if(a[i]%10!=0) {
				min=Math.min(min,a[i]%10);
			}
		} a[i]=sc.nextInt() a[i] a i sc.nextInt() sc.nextInt sc if(a[i]%10!=0) {
				min=Math.min(min,a[i]%10);
			} a[i]%10!=0 a[i]%10 a[i] a i 10 0 {
				min=Math.min(min,a[i]%10);
			} min=Math.min(min,a[i]%10) min Math.min(min,a[i]%10) Math.min Math min a[i]%10 a[i] a i 10 int ans=0; ans 0 for (int i = 0; i < 5; i++) {
			if(a[i]%10==0) {	
				ans+=a[i];
			}else {
				ans+=10*(a[i]/10+1);
			}
		} int i = 0; int i = 0; i 0 i < 5 i 5 i++ i++ i {
			if(a[i]%10==0) {	
				ans+=a[i];
			}else {
				ans+=10*(a[i]/10+1);
			}
		} {
			if(a[i]%10==0) {	
				ans+=a[i];
			}else {
				ans+=10*(a[i]/10+1);
			}
		} if(a[i]%10==0) {	
				ans+=a[i];
			}else {
				ans+=10*(a[i]/10+1);
			} a[i]%10==0 a[i]%10 a[i] a i 10 0 {	
				ans+=a[i];
			} ans+=a[i] ans a[i] a i {
				ans+=10*(a[i]/10+1);
			} ans+=10*(a[i]/10+1) ans 10*(a[i]/10+1) 10 (a[i]/10+1) a[i]/10 a[i] a i 10 1 if(min!=10) {
		ans-=10-min;	
		} min!=10 min 10 {
		ans-=10-min;	
		} ans-=10-min ans 10-min 10 min out.println(ans) out.println out ans out.close() out.close out String[] args args static int gcd(int a,int b) {
		if(a==0) {
			return b;
		}
		return gcd(b%a,a);
	
	} gcd {
		if(a==0) {
			return b;
		}
		return gcd(b%a,a);
	
	} if(a==0) {
			return b;
		} a==0 a 0 {
			return b;
		} return b; b return gcd(b%a,a); gcd(b%a,a) gcd b%a b a a int a a int b b //----------------------------------------------------------
	static int l_min(int[] a) {
		Arrays.sort(a);
		return a[0];
	} l_min {
		Arrays.sort(a);
		return a[0];
	} Arrays.sort(a) Arrays.sort Arrays a return a[0]; a[0] a 0 int[] a a static int l_max(int[] a) {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	} l_max {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	} int l=a.length; l a.length a a.length Arrays.sort(a) Arrays.sort Arrays a return a[l-1]; a[l-1] a l-1 l 1 int[] a a public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	} MyScanner BufferedReader br; br StringTokenizer st; st public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		} MyScanner {
			br = new BufferedReader(new InputStreamReader(System.in));
		} br = new BufferedReader(new InputStreamReader(System.in)) br new BufferedReader(new InputStreamReader(System.in)) String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		} next {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		} while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			} st == null || !st.hasMoreElements() st == null st null !st.hasMoreElements() st.hasMoreElements() st.hasMoreElements st {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			} try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				} catch (IOException e) {
					e.printStackTrace();
				} IOException e {
					e.printStackTrace();
				} e.printStackTrace() e.printStackTrace e {
					st = new StringTokenizer(br.readLine());
				} st = new StringTokenizer(br.readLine()) st new StringTokenizer(br.readLine()) return st.nextToken(); st.nextToken() st.nextToken st int nextInt() {
			return Integer.parseInt(next());
		} nextInt {
			return Integer.parseInt(next());
		} return Integer.parseInt(next()); Integer.parseInt(next()) Integer.parseInt Integer next() next long nextLong() {
			return Long.parseLong(next());
		} nextLong {
			return Long.parseLong(next());
		} return Long.parseLong(next()); Long.parseLong(next()) Long.parseLong Long next() next double nextDouble() {
			return Double.parseDouble(next());
		} nextDouble {
			return Double.parseDouble(next());
		} return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		} nextLine {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		} String str = ""; str "" try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			} IOException e {
				e.printStackTrace();
			} e.printStackTrace() e.printStackTrace e {
				str = br.readLine();
			} str = br.readLine() str br.readLine() br.readLine br return str; str class UnionFind{
	int parent[];
	int rank[];
	int size[];
	UnionFind(int n) {
		parent=new int[n];
		rank=new int[n];
		size=new int[n];
		for(int i=0;i<n;i++) {
			parent[i]=i;
			rank[i]=0;
			size[i]=1;
		}
	}
	
	void union(int x,int y) {
		int xRoot=find(x);
		int yRoot=find(y);


		if(xRoot!=yRoot) {
			
			if(rank[xRoot]>rank[yRoot]) {
				parent[yRoot]=xRoot;
				size[xRoot]+=size[yRoot];
				
			}else if(rank[xRoot]<rank[yRoot]){
				parent[xRoot]=yRoot;
				size[yRoot]+=size[xRoot];
				
			}else {
				parent[yRoot]=xRoot;
				rank[xRoot]++;
				size[xRoot]+=size[yRoot];
			}
		}
		
	}
	
	int find(int x) {
		if(parent[x]==x) {
			return x;
		}else {
			return find(parent[x]);
		}
		
	}
	
	boolean same(int x,int y) {
		return find(x)==find(y);
	}
	
	
	
} UnionFind int parent[]; parent int rank[]; rank int size[]; size UnionFind(int n) {
		parent=new int[n];
		rank=new int[n];
		size=new int[n];
		for(int i=0;i<n;i++) {
			parent[i]=i;
			rank[i]=0;
			size[i]=1;
		}
	} UnionFind {
		parent=new int[n];
		rank=new int[n];
		size=new int[n];
		for(int i=0;i<n;i++) {
			parent[i]=i;
			rank[i]=0;
			size[i]=1;
		}
	} parent=new int[n] parent new int[n] n rank=new int[n] rank new int[n] n size=new int[n] size new int[n] n for(int i=0;i<n;i++) {
			parent[i]=i;
			rank[i]=0;
			size[i]=1;
		} int i=0; int i=0; i 0 i<n i n i++ i++ i {
			parent[i]=i;
			rank[i]=0;
			size[i]=1;
		} {
			parent[i]=i;
			rank[i]=0;
			size[i]=1;
		} parent[i]=i parent[i] parent i i rank[i]=0 rank[i] rank i 0 size[i]=1 size[i] size i 1 int n n void union(int x,int y) {
		int xRoot=find(x);
		int yRoot=find(y);


		if(xRoot!=yRoot) {
			
			if(rank[xRoot]>rank[yRoot]) {
				parent[yRoot]=xRoot;
				size[xRoot]+=size[yRoot];
				
			}else if(rank[xRoot]<rank[yRoot]){
				parent[xRoot]=yRoot;
				size[yRoot]+=size[xRoot];
				
			}else {
				parent[yRoot]=xRoot;
				rank[xRoot]++;
				size[xRoot]+=size[yRoot];
			}
		}
		
	} union {
		int xRoot=find(x);
		int yRoot=find(y);


		if(xRoot!=yRoot) {
			
			if(rank[xRoot]>rank[yRoot]) {
				parent[yRoot]=xRoot;
				size[xRoot]+=size[yRoot];
				
			}else if(rank[xRoot]<rank[yRoot]){
				parent[xRoot]=yRoot;
				size[yRoot]+=size[xRoot];
				
			}else {
				parent[yRoot]=xRoot;
				rank[xRoot]++;
				size[xRoot]+=size[yRoot];
			}
		}
		
	} int xRoot=find(x); xRoot find(x) find x int yRoot=find(y); yRoot find(y) find y if(xRoot!=yRoot) {
			
			if(rank[xRoot]>rank[yRoot]) {
				parent[yRoot]=xRoot;
				size[xRoot]+=size[yRoot];
				
			}else if(rank[xRoot]<rank[yRoot]){
				parent[xRoot]=yRoot;
				size[yRoot]+=size[xRoot];
				
			}else {
				parent[yRoot]=xRoot;
				rank[xRoot]++;
				size[xRoot]+=size[yRoot];
			}
		} xRoot!=yRoot xRoot yRoot {
			
			if(rank[xRoot]>rank[yRoot]) {
				parent[yRoot]=xRoot;
				size[xRoot]+=size[yRoot];
				
			}else if(rank[xRoot]<rank[yRoot]){
				parent[xRoot]=yRoot;
				size[yRoot]+=size[xRoot];
				
			}else {
				parent[yRoot]=xRoot;
				rank[xRoot]++;
				size[xRoot]+=size[yRoot];
			}
		} if(rank[xRoot]>rank[yRoot]) {
				parent[yRoot]=xRoot;
				size[xRoot]+=size[yRoot];
				
			}else if(rank[xRoot]<rank[yRoot]){
				parent[xRoot]=yRoot;
				size[yRoot]+=size[xRoot];
				
			}else {
				parent[yRoot]=xRoot;
				rank[xRoot]++;
				size[xRoot]+=size[yRoot];
			} rank[xRoot]>rank[yRoot] rank[xRoot] rank xRoot rank[yRoot] rank yRoot {
				parent[yRoot]=xRoot;
				size[xRoot]+=size[yRoot];
				
			} parent[yRoot]=xRoot parent[yRoot] parent yRoot xRoot size[xRoot]+=size[yRoot] size[xRoot] size xRoot size[yRoot] size yRoot if(rank[xRoot]<rank[yRoot]){
				parent[xRoot]=yRoot;
				size[yRoot]+=size[xRoot];
				
			}else {
				parent[yRoot]=xRoot;
				rank[xRoot]++;
				size[xRoot]+=size[yRoot];
			} rank[xRoot]<rank[yRoot] rank[xRoot] rank xRoot rank[yRoot] rank yRoot {
				parent[xRoot]=yRoot;
				size[yRoot]+=size[xRoot];
				
			} parent[xRoot]=yRoot parent[xRoot] parent xRoot yRoot size[yRoot]+=size[xRoot] size[yRoot] size yRoot size[xRoot] size xRoot {
				parent[yRoot]=xRoot;
				rank[xRoot]++;
				size[xRoot]+=size[yRoot];
			} parent[yRoot]=xRoot parent[yRoot] parent yRoot xRoot rank[xRoot]++ rank[xRoot] rank xRoot size[xRoot]+=size[yRoot] size[xRoot] size xRoot size[yRoot] size yRoot int x x int y y int find(int x) {
		if(parent[x]==x) {
			return x;
		}else {
			return find(parent[x]);
		}
		
	} find {
		if(parent[x]==x) {
			return x;
		}else {
			return find(parent[x]);
		}
		
	} if(parent[x]==x) {
			return x;
		}else {
			return find(parent[x]);
		} parent[x]==x parent[x] parent x x {
			return x;
		} return x; x {
			return find(parent[x]);
		} return find(parent[x]); find(parent[x]) find parent[x] parent x int x x boolean same(int x,int y) {
		return find(x)==find(y);
	} same {
		return find(x)==find(y);
	} return find(x)==find(y); find(x)==find(y) find(x) find x find(y) find y int x x int y y class FastScanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
    private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
    public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    }
    public double nextDouble() { return Double.parseDouble(next());}
} FastScanner private final InputStream in = System.in; in System.in System System.in private final byte[] buffer = new byte[1024]; buffer new byte[1024] 1024 private int ptr = 0; ptr 0 private int buflen = 0; buflen 0 private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    } hasNextByte {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    } if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        } ptr < buflen ptr buflen {
            return true;
        } return true; true {
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        } ptr = 0 ptr 0 try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } IOException e {
                e.printStackTrace();
            } e.printStackTrace() e.printStackTrace e {
                buflen = in.read(buffer);
            } buflen = in.read(buffer) buflen in.read(buffer) in.read in buffer if (buflen <= 0) {
                return false;
            } buflen <= 0 buflen 0 {
                return false;
            } return false; false return true; true private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;} readByte { if (hasNextByte()) return buffer[ptr++]; else return -1;} if (hasNextByte()) return buffer[ptr++]; else return -1; hasNextByte() hasNextByte return buffer[ptr++]; buffer[ptr++] buffer ptr++ ptr return -1; -1 1 private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} isPrintableChar { return 33 <= c && c <= 126;} return 33 <= c && c <= 126; 33 <= c && c <= 126 33 <= c 33 c c <= 126 c 126 int c c public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();} hasNext { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();} while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; hasNextByte() && !isPrintableChar(buffer[ptr]) hasNextByte() hasNextByte !isPrintableChar(buffer[ptr]) isPrintableChar(buffer[ptr]) isPrintableChar buffer[ptr] buffer ptr ptr++ ptr return hasNextByte(); hasNextByte() hasNextByte public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    } next {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    } if (!hasNext()) throw new NoSuchElementException(); !hasNext() hasNext() hasNext throw new NoSuchElementException(); new NoSuchElementException() StringBuilder sb = new StringBuilder(); sb new StringBuilder() int b = readByte(); b readByte() readByte while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        } isPrintableChar(b) isPrintableChar b {
            sb.appendCodePoint(b);
            b = readByte();
        } sb.appendCodePoint(b) sb.appendCodePoint sb b b = readByte() b readByte() readByte return sb.toString(); sb.toString() sb.toString sb public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    } nextLong {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    } if (!hasNext()) throw new NoSuchElementException(); !hasNext() hasNext() hasNext throw new NoSuchElementException(); new NoSuchElementException() long n = 0; n 0 boolean minus = false; minus false int b = readByte(); b readByte() readByte if (b == '-') {
            minus = true;
            b = readByte();
        } b == '-' b '-' {
            minus = true;
            b = readByte();
        } minus = true minus true b = readByte() b readByte() readByte if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        } b < '0' || '9' < b b < '0' b '0' '9' < b '9' b {
            throw new NumberFormatException();
        } throw new NumberFormatException(); new NumberFormatException() while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        } true {
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        } if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            } '0' <= b && b <= '9' '0' <= b '0' b b <= '9' b '9' {
                n *= 10;
                n += b - '0';
            } n *= 10 n 10 n += b - '0' n b - '0' b '0' if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            } b == -1 || !isPrintableChar(b) b == -1 b -1 1 !isPrintableChar(b) isPrintableChar(b) isPrintableChar b {
                return minus ? -n : n;
            } return minus ? -n : n; minus ? -n : n minus -n n n {
                throw new NumberFormatException();
            } throw new NumberFormatException(); new NumberFormatException() b = readByte() b readByte() readByte public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    } nextInt {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    } long nl = nextLong(); nl nextLong() nextLong if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE nl < Integer.MIN_VALUE nl Integer.MIN_VALUE Integer Integer.MIN_VALUE nl > Integer.MAX_VALUE nl Integer.MAX_VALUE Integer Integer.MAX_VALUE throw new NumberFormatException(); new NumberFormatException() return (int) nl; (int) nl public double nextDouble() { return Double.parseDouble(next());} nextDouble { return Double.parseDouble(next());} return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next public class Main {
	
	public static void main(String[] args) {
		FastScanner sc = new FastScanner();
		out = new PrintWriter(new BufferedOutputStream(System.out));
		int a[]=new int[5];
		int min=10;
		for (int i = 0; i < 5; i++) {
			a[i]=sc.nextInt();
			if(a[i]%10!=0) {
				min=Math.min(min,a[i]%10);
			}
		}
		int ans=0;
		for (int i = 0; i < 5; i++) {
			if(a[i]%10==0) {	
				ans+=a[i];
			}else {
				ans+=10*(a[i]/10+1);
			}
		}
		if(min!=10) {
		ans-=10-min;	
		}
		
	
		out.println(ans);
		out.close();
	}
	static int gcd(int a,int b) {
		if(a==0) {
			return b;
		}
		return gcd(b%a,a);
	
	}

	
	
	
	
//----------------------------------------------------------
	static int l_min(int[] a) {
		Arrays.sort(a);
		return a[0];
	}
	static int l_max(int[] a) {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	}
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	
} public class Main {
	
	public static void main(String[] args) {
		FastScanner sc = new FastScanner();
		out = new PrintWriter(new BufferedOutputStream(System.out));
		int a[]=new int[5];
		int min=10;
		for (int i = 0; i < 5; i++) {
			a[i]=sc.nextInt();
			if(a[i]%10!=0) {
				min=Math.min(min,a[i]%10);
			}
		}
		int ans=0;
		for (int i = 0; i < 5; i++) {
			if(a[i]%10==0) {	
				ans+=a[i];
			}else {
				ans+=10*(a[i]/10+1);
			}
		}
		if(min!=10) {
		ans-=10-min;	
		}
		
	
		out.println(ans);
		out.close();
	}
	static int gcd(int a,int b) {
		if(a==0) {
			return b;
		}
		return gcd(b%a,a);
	
	}

	
	
	
	
//----------------------------------------------------------
	static int l_min(int[] a) {
		Arrays.sort(a);
		return a[0];
	}
	static int l_max(int[] a) {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	}
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	
} Main
import java.io.*;
import java.util.*;
import java.lang.*;

public class Main {
	
	public static void main(String[] args) {
		FastScanner sc = new FastScanner();
		out = new PrintWriter(new BufferedOutputStream(System.out));
		int a[]=new int[5];
		int min=10;
		for (int i = 0; i < 5; i++) {
			a[i]=sc.nextInt();
			if(a[i]%10!=0) {
				min=Math.min(min,a[i]%10);
			}
		}
		int ans=0;
		for (int i = 0; i < 5; i++) {
			if(a[i]%10==0) {	
				ans+=a[i];
			}else {
				ans+=10*(a[i]/10+1);
			}
		}
		if(min!=10) {
		ans-=10-min;	
		}
		
	
		out.println(ans);
		out.close();
	}
	static int gcd(int a,int b) {
		if(a==0) {
			return b;
		}
		return gcd(b%a,a);
	
	}

	
	
	
	
//----------------------------------------------------------
	static int l_min(int[] a) {
		Arrays.sort(a);
		return a[0];
	}
	static int l_max(int[] a) {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	}
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	
}


class UnionFind{
	int parent[];
	int rank[];
	int size[];
	UnionFind(int n) {
		parent=new int[n];
		rank=new int[n];
		size=new int[n];
		for(int i=0;i<n;i++) {
			parent[i]=i;
			rank[i]=0;
			size[i]=1;
		}
	}
	
	void union(int x,int y) {
		int xRoot=find(x);
		int yRoot=find(y);


		if(xRoot!=yRoot) {
			
			if(rank[xRoot]>rank[yRoot]) {
				parent[yRoot]=xRoot;
				size[xRoot]+=size[yRoot];
				
			}else if(rank[xRoot]<rank[yRoot]){
				parent[xRoot]=yRoot;
				size[yRoot]+=size[xRoot];
				
			}else {
				parent[yRoot]=xRoot;
				rank[xRoot]++;
				size[xRoot]+=size[yRoot];
			}
		}
		
	}
	
	int find(int x) {
		if(parent[x]==x) {
			return x;
		}else {
			return find(parent[x]);
		}
		
	}
	
	boolean same(int x,int y) {
		return find(x)==find(y);
	}
	
	
	
}





class FastScanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
    private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
    public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    }
    public double nextDouble() { return Double.parseDouble(next());}
}