import java.util.Scanner;
public class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
  int a = sc.nextInt();
  int b = sc.nextInt();
  int c = sc.nextInt();
  int d = sc.nextInt();
  int e = sc.nextInt();
  int ans = a +  ((b-1)/10)*10 + ((c-1)/10)*10 + ((d-1)/10)*10 + ((e-1)/10)*10;
  ans = Math.min(ans, b +  ((a-1)/10)*10 + ((c-1)/10)*10 + ((d-1)/10)*10 + ((e-1)/10)*10);
  ans = Math.min(ans, c +  ((a-1)/10)*10 + ((b-1)/10)*10 + ((d-1)/10)*10 + ((e-1)/10)*10);
  ans = Math.min(ans, d +  ((a-1)/10)*10 + ((c-1)/10)*10 + ((b-1)/10)*10 + ((e-1)/10)*10);
  ans = Math.min(ans, e +  ((a-1)/10)*10 + ((c-1)/10)*10 + ((d-1)/10)*10 + ((b-1)/10)*10);
  System.out.println(ans+40);
}}
/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