import java.util.*;

public class Main{
  public static void main(String args[]) {
    Scanner sc = new Scanner(System.in);
    int[] dishes = new int[5];
    int sum = 0;
    int fraction = 0; //端数：fraction
    
    for (int i = 0; i < dishes.length; i++) {
        dishes[i] = sc.nextInt();
        sum += ceil(dishes[i]);
        fraction = Math.max(fraction, amari(dishes[i]));
    }
    System.out.println(sum - fraction);

  }
  
  public static int ceil(int src) {
      if ((src % 10) != 0) {
          return (src / 10 + 1) * 10;
      } else {
          return src;
      }
  }
  
  public static int amari(int src) {
      if ((src % 10) == 0) {
          return 0;
      } else {
          return 10 - src % 10;
      }
  }
  
}
/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