import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int orders[] = new int[5];
      	int diff;
      	int final_diff = 0;
      	int answer = 0;
      
      	for(int i = 0; i < 5; i++){
          orders[i] = sc.nextInt();
          diff = 10 - orders[i] % 10;
          if(diff == 10) diff = 0;
          if(final_diff < diff) final_diff = diff;
          orders[i] += diff;
        }
      
      	for(int order:orders){
          answer += order;
        }
      
      	answer -= final_diff;
 		
      	System.out.println(answer);
        
	}
} import java.util.*; util.* java public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int orders[] = new int[5];
      	int diff;
      	int final_diff = 0;
      	int answer = 0;
      
      	for(int i = 0; i < 5; i++){
          orders[i] = sc.nextInt();
          diff = 10 - orders[i] % 10;
          if(diff == 10) diff = 0;
          if(final_diff < diff) final_diff = diff;
          orders[i] += diff;
        }
      
      	for(int order:orders){
          answer += order;
        }
      
      	answer -= final_diff;
 		
      	System.out.println(answer);
        
	}
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int orders[] = new int[5];
      	int diff;
      	int final_diff = 0;
      	int answer = 0;
      
      	for(int i = 0; i < 5; i++){
          orders[i] = sc.nextInt();
          diff = 10 - orders[i] % 10;
          if(diff == 10) diff = 0;
          if(final_diff < diff) final_diff = diff;
          orders[i] += diff;
        }
      
      	for(int order:orders){
          answer += order;
        }
      
      	answer -= final_diff;
 		
      	System.out.println(answer);
        
	} main {
		Scanner sc = new Scanner(System.in);
		int orders[] = new int[5];
      	int diff;
      	int final_diff = 0;
      	int answer = 0;
      
      	for(int i = 0; i < 5; i++){
          orders[i] = sc.nextInt();
          diff = 10 - orders[i] % 10;
          if(diff == 10) diff = 0;
          if(final_diff < diff) final_diff = diff;
          orders[i] += diff;
        }
      
      	for(int order:orders){
          answer += order;
        }
      
      	answer -= final_diff;
 		
      	System.out.println(answer);
        
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int orders[] = new int[5]; orders new int[5] 5 int diff; diff int final_diff = 0; final_diff 0 int answer = 0; answer 0 for(int i = 0; i < 5; i++){
          orders[i] = sc.nextInt();
          diff = 10 - orders[i] % 10;
          if(diff == 10) diff = 0;
          if(final_diff < diff) final_diff = diff;
          orders[i] += diff;
        } int i = 0; int i = 0; i 0 i < 5 i 5 i++ i++ i {
          orders[i] = sc.nextInt();
          diff = 10 - orders[i] % 10;
          if(diff == 10) diff = 0;
          if(final_diff < diff) final_diff = diff;
          orders[i] += diff;
        } {
          orders[i] = sc.nextInt();
          diff = 10 - orders[i] % 10;
          if(diff == 10) diff = 0;
          if(final_diff < diff) final_diff = diff;
          orders[i] += diff;
        } orders[i] = sc.nextInt() orders[i] orders i sc.nextInt() sc.nextInt sc diff = 10 - orders[i] % 10 diff 10 - orders[i] % 10 10 orders[i] % 10 orders[i] orders i 10 if(diff == 10) diff = 0; diff == 10 diff 10 diff = 0 diff 0 if(final_diff < diff) final_diff = diff; final_diff < diff final_diff diff final_diff = diff final_diff diff orders[i] += diff orders[i] orders i diff for(int order:orders){
          answer += order;
        } int order orders {
          answer += order;
        } {
          answer += order;
        } answer += order answer order answer -= final_diff answer final_diff System.out.println(answer) System.out.println System.out System System.out answer String[] args args public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int orders[] = new int[5];
      	int diff;
      	int final_diff = 0;
      	int answer = 0;
      
      	for(int i = 0; i < 5; i++){
          orders[i] = sc.nextInt();
          diff = 10 - orders[i] % 10;
          if(diff == 10) diff = 0;
          if(final_diff < diff) final_diff = diff;
          orders[i] += diff;
        }
      
      	for(int order:orders){
          answer += order;
        }
      
      	answer -= final_diff;
 		
      	System.out.println(answer);
        
	}
} public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int orders[] = new int[5];
      	int diff;
      	int final_diff = 0;
      	int answer = 0;
      
      	for(int i = 0; i < 5; i++){
          orders[i] = sc.nextInt();
          diff = 10 - orders[i] % 10;
          if(diff == 10) diff = 0;
          if(final_diff < diff) final_diff = diff;
          orders[i] += diff;
        }
      
      	for(int order:orders){
          answer += order;
        }
      
      	answer -= final_diff;
 		
      	System.out.println(answer);
        
	}
} Main
import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int orders[] = new int[5];
      	int diff;
      	int final_diff = 0;
      	int answer = 0;
      
      	for(int i = 0; i < 5; i++){
          orders[i] = sc.nextInt();
          diff = 10 - orders[i] % 10;
          if(diff == 10) diff = 0;
          if(final_diff < diff) final_diff = diff;
          orders[i] += diff;
        }
      
      	for(int order:orders){
          answer += order;
        }
      
      	answer -= final_diff;
 		
      	System.out.println(answer);
        
	}
}