
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.PriorityQueue;
import java.util.Set;
import java.util.StringTokenizer;

public class Main {
  public static void main(String[] args) {
	  FastReader sc = new FastReader();
	  int n = 5;
	  int[] dishes = new int[n];
	  int[] res = {Integer.MAX_VALUE, 0 };
	  
	  for (int i = 0; i < n; i++) {
		  dishes[i] = sc.nextInt();
	  }
	  
	  permutation(dishes, 0, n, res);
	  
	  System.out.println(res[0]);
  }
  
  private static void permutation(int[] nums, int begin, int end, int[] res) {
	  if (begin == end) {
		  int total = 0;
		  for (int i = 0; i < nums.length - 1; i++) {
			  total += (int)(Math.ceil(nums[i]/10.0) * 10.0);
		  }
		  res[0] = Math.min(res[0], total + nums[nums.length - 1]);
	  } else {
		  for (int i = begin; i < end; i++) {
			  swap(nums, i, begin);
			  permutation(nums, begin + 1, end, res);
			  swap(nums, i, begin);
		  }
	  }
  }
  
  private static void swap(int[] nums, int i, int j) {
	  int tmp = nums[i];
	  nums[i] = nums[j];
	  nums[j] = tmp;
  }
  
  static class FastReader {
    BufferedReader br;
    StringTokenizer st;

    public FastReader() {
      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;
      }
  }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.ArrayList; ArrayList java.util import java.util.Arrays; Arrays java.util import java.util.Collections; Collections java.util import java.util.HashMap; HashMap java.util import java.util.HashSet; HashSet java.util import java.util.LinkedList; LinkedList java.util import java.util.List; List java.util import java.util.Map; Map java.util import java.util.PriorityQueue; PriorityQueue java.util import java.util.Set; Set java.util import java.util.StringTokenizer; StringTokenizer java.util public class Main {
  public static void main(String[] args) {
	  FastReader sc = new FastReader();
	  int n = 5;
	  int[] dishes = new int[n];
	  int[] res = {Integer.MAX_VALUE, 0 };
	  
	  for (int i = 0; i < n; i++) {
		  dishes[i] = sc.nextInt();
	  }
	  
	  permutation(dishes, 0, n, res);
	  
	  System.out.println(res[0]);
  }
  
  private static void permutation(int[] nums, int begin, int end, int[] res) {
	  if (begin == end) {
		  int total = 0;
		  for (int i = 0; i < nums.length - 1; i++) {
			  total += (int)(Math.ceil(nums[i]/10.0) * 10.0);
		  }
		  res[0] = Math.min(res[0], total + nums[nums.length - 1]);
	  } else {
		  for (int i = begin; i < end; i++) {
			  swap(nums, i, begin);
			  permutation(nums, begin + 1, end, res);
			  swap(nums, i, begin);
		  }
	  }
  }
  
  private static void swap(int[] nums, int i, int j) {
	  int tmp = nums[i];
	  nums[i] = nums[j];
	  nums[j] = tmp;
  }
  
  static class FastReader {
    BufferedReader br;
    StringTokenizer st;

    public FastReader() {
      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 void main(String[] args) {
	  FastReader sc = new FastReader();
	  int n = 5;
	  int[] dishes = new int[n];
	  int[] res = {Integer.MAX_VALUE, 0 };
	  
	  for (int i = 0; i < n; i++) {
		  dishes[i] = sc.nextInt();
	  }
	  
	  permutation(dishes, 0, n, res);
	  
	  System.out.println(res[0]);
  } main {
	  FastReader sc = new FastReader();
	  int n = 5;
	  int[] dishes = new int[n];
	  int[] res = {Integer.MAX_VALUE, 0 };
	  
	  for (int i = 0; i < n; i++) {
		  dishes[i] = sc.nextInt();
	  }
	  
	  permutation(dishes, 0, n, res);
	  
	  System.out.println(res[0]);
  } FastReader sc = new FastReader(); sc new FastReader() int n = 5; n 5 int[] dishes = new int[n]; dishes new int[n] n int[] res = {Integer.MAX_VALUE, 0 }; res {Integer.MAX_VALUE, 0 } Integer.MAX_VALUE Integer Integer.MAX_VALUE 0 for (int i = 0; i < n; i++) {
		  dishes[i] = sc.nextInt();
	  } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
		  dishes[i] = sc.nextInt();
	  } {
		  dishes[i] = sc.nextInt();
	  } dishes[i] = sc.nextInt() dishes[i] dishes i sc.nextInt() sc.nextInt sc permutation(dishes, 0, n, res) permutation dishes 0 n res System.out.println(res[0]) System.out.println System.out System System.out res[0] res 0 String[] args args private static void permutation(int[] nums, int begin, int end, int[] res) {
	  if (begin == end) {
		  int total = 0;
		  for (int i = 0; i < nums.length - 1; i++) {
			  total += (int)(Math.ceil(nums[i]/10.0) * 10.0);
		  }
		  res[0] = Math.min(res[0], total + nums[nums.length - 1]);
	  } else {
		  for (int i = begin; i < end; i++) {
			  swap(nums, i, begin);
			  permutation(nums, begin + 1, end, res);
			  swap(nums, i, begin);
		  }
	  }
  } permutation {
	  if (begin == end) {
		  int total = 0;
		  for (int i = 0; i < nums.length - 1; i++) {
			  total += (int)(Math.ceil(nums[i]/10.0) * 10.0);
		  }
		  res[0] = Math.min(res[0], total + nums[nums.length - 1]);
	  } else {
		  for (int i = begin; i < end; i++) {
			  swap(nums, i, begin);
			  permutation(nums, begin + 1, end, res);
			  swap(nums, i, begin);
		  }
	  }
  } if (begin == end) {
		  int total = 0;
		  for (int i = 0; i < nums.length - 1; i++) {
			  total += (int)(Math.ceil(nums[i]/10.0) * 10.0);
		  }
		  res[0] = Math.min(res[0], total + nums[nums.length - 1]);
	  } else {
		  for (int i = begin; i < end; i++) {
			  swap(nums, i, begin);
			  permutation(nums, begin + 1, end, res);
			  swap(nums, i, begin);
		  }
	  } begin == end begin end {
		  int total = 0;
		  for (int i = 0; i < nums.length - 1; i++) {
			  total += (int)(Math.ceil(nums[i]/10.0) * 10.0);
		  }
		  res[0] = Math.min(res[0], total + nums[nums.length - 1]);
	  } int total = 0; total 0 for (int i = 0; i < nums.length - 1; i++) {
			  total += (int)(Math.ceil(nums[i]/10.0) * 10.0);
		  } int i = 0; int i = 0; i 0 i < nums.length - 1 i nums.length - 1 nums.length nums nums.length 1 i++ i++ i {
			  total += (int)(Math.ceil(nums[i]/10.0) * 10.0);
		  } {
			  total += (int)(Math.ceil(nums[i]/10.0) * 10.0);
		  } total += (int)(Math.ceil(nums[i]/10.0) * 10.0) total (int)(Math.ceil(nums[i]/10.0) * 10.0) Math.ceil(nums[i]/10.0) Math.ceil Math nums[i]/10.0 nums[i] nums i 10.0 10.0 res[0] = Math.min(res[0], total + nums[nums.length - 1]) res[0] res 0 Math.min(res[0], total + nums[nums.length - 1]) Math.min Math res[0] res 0 total + nums[nums.length - 1] total nums[nums.length - 1] nums nums.length - 1 nums.length nums nums.length 1 {
		  for (int i = begin; i < end; i++) {
			  swap(nums, i, begin);
			  permutation(nums, begin + 1, end, res);
			  swap(nums, i, begin);
		  }
	  } for (int i = begin; i < end; i++) {
			  swap(nums, i, begin);
			  permutation(nums, begin + 1, end, res);
			  swap(nums, i, begin);
		  } int i = begin; int i = begin; i begin i < end i end i++ i++ i {
			  swap(nums, i, begin);
			  permutation(nums, begin + 1, end, res);
			  swap(nums, i, begin);
		  } {
			  swap(nums, i, begin);
			  permutation(nums, begin + 1, end, res);
			  swap(nums, i, begin);
		  } swap(nums, i, begin) swap nums i begin permutation(nums, begin + 1, end, res) permutation nums begin + 1 begin 1 end res swap(nums, i, begin) swap nums i begin int[] nums nums int begin begin int end end int[] res res private static void swap(int[] nums, int i, int j) {
	  int tmp = nums[i];
	  nums[i] = nums[j];
	  nums[j] = tmp;
  } swap {
	  int tmp = nums[i];
	  nums[i] = nums[j];
	  nums[j] = tmp;
  } int tmp = nums[i]; tmp nums[i] nums i nums[i] = nums[j] nums[i] nums i nums[j] nums j nums[j] = tmp nums[j] nums j tmp int[] nums nums int i i int j j static class FastReader {
    BufferedReader br;
    StringTokenizer st;

    public FastReader() {
      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;
      }
  } FastReader BufferedReader br; br StringTokenizer st; st public FastReader() {
      br = new BufferedReader(new InputStreamReader(System.in));
    } FastReader {
      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 public class Main {
  public static void main(String[] args) {
	  FastReader sc = new FastReader();
	  int n = 5;
	  int[] dishes = new int[n];
	  int[] res = {Integer.MAX_VALUE, 0 };
	  
	  for (int i = 0; i < n; i++) {
		  dishes[i] = sc.nextInt();
	  }
	  
	  permutation(dishes, 0, n, res);
	  
	  System.out.println(res[0]);
  }
  
  private static void permutation(int[] nums, int begin, int end, int[] res) {
	  if (begin == end) {
		  int total = 0;
		  for (int i = 0; i < nums.length - 1; i++) {
			  total += (int)(Math.ceil(nums[i]/10.0) * 10.0);
		  }
		  res[0] = Math.min(res[0], total + nums[nums.length - 1]);
	  } else {
		  for (int i = begin; i < end; i++) {
			  swap(nums, i, begin);
			  permutation(nums, begin + 1, end, res);
			  swap(nums, i, begin);
		  }
	  }
  }
  
  private static void swap(int[] nums, int i, int j) {
	  int tmp = nums[i];
	  nums[i] = nums[j];
	  nums[j] = tmp;
  }
  
  static class FastReader {
    BufferedReader br;
    StringTokenizer st;

    public FastReader() {
      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) {
	  FastReader sc = new FastReader();
	  int n = 5;
	  int[] dishes = new int[n];
	  int[] res = {Integer.MAX_VALUE, 0 };
	  
	  for (int i = 0; i < n; i++) {
		  dishes[i] = sc.nextInt();
	  }
	  
	  permutation(dishes, 0, n, res);
	  
	  System.out.println(res[0]);
  }
  
  private static void permutation(int[] nums, int begin, int end, int[] res) {
	  if (begin == end) {
		  int total = 0;
		  for (int i = 0; i < nums.length - 1; i++) {
			  total += (int)(Math.ceil(nums[i]/10.0) * 10.0);
		  }
		  res[0] = Math.min(res[0], total + nums[nums.length - 1]);
	  } else {
		  for (int i = begin; i < end; i++) {
			  swap(nums, i, begin);
			  permutation(nums, begin + 1, end, res);
			  swap(nums, i, begin);
		  }
	  }
  }
  
  private static void swap(int[] nums, int i, int j) {
	  int tmp = nums[i];
	  nums[i] = nums[j];
	  nums[j] = tmp;
  }
  
  static class FastReader {
    BufferedReader br;
    StringTokenizer st;

    public FastReader() {
      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.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.PriorityQueue;
import java.util.Set;
import java.util.StringTokenizer;

public class Main {
  public static void main(String[] args) {
	  FastReader sc = new FastReader();
	  int n = 5;
	  int[] dishes = new int[n];
	  int[] res = {Integer.MAX_VALUE, 0 };
	  
	  for (int i = 0; i < n; i++) {
		  dishes[i] = sc.nextInt();
	  }
	  
	  permutation(dishes, 0, n, res);
	  
	  System.out.println(res[0]);
  }
  
  private static void permutation(int[] nums, int begin, int end, int[] res) {
	  if (begin == end) {
		  int total = 0;
		  for (int i = 0; i < nums.length - 1; i++) {
			  total += (int)(Math.ceil(nums[i]/10.0) * 10.0);
		  }
		  res[0] = Math.min(res[0], total + nums[nums.length - 1]);
	  } else {
		  for (int i = begin; i < end; i++) {
			  swap(nums, i, begin);
			  permutation(nums, begin + 1, end, res);
			  swap(nums, i, begin);
		  }
	  }
  }
  
  private static void swap(int[] nums, int i, int j) {
	  int tmp = nums[i];
	  nums[i] = nums[j];
	  nums[j] = tmp;
  }
  
  static class FastReader {
    BufferedReader br;
    StringTokenizer st;

    public FastReader() {
      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;
      }
  }
}
