import java.util.*;
public class Main{
	public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
      int[] array = new int[5];
      int[] mod = new int[5];
      int re = 0;
		for(int i = 0;i < 5;i++){
          array[i] = sc.nextInt();
          mod[i] = array[i]%10;
          if(mod[i] == 0){
            	mod[i] = 10;
          }
          re = re + array[i] + 10 - mod[i];
        }
      
      int x = 11;
      for(int i = 0;i < 5;i++){
      	x = Math.min(x,mod[i]);
      }
      System.out.println(re-10+x);
    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz