import java.util.*;
import java.util.Collections;
import java.util.ArrayList;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int[] x = new int[5];
        int ans = 0;
        ArrayList<Integer> list = new ArrayList<Integer>();

        for(int i=0; i<5; i++){
            x[i] = sc.nextInt();
            for(int j=0; j<=130; j += 10){
                if(j>=x[i]){
                    list.add(j-x[i]);
                    break;
                }
            }
            ans += x[i];
        }
        Collections.sort(list);

        for(int i=0; i<4; i++){
            ans += list.get(i);
        }
        System.out.println(ans);

    }
}
/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