import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = 0;
        int min = 10;
        for (int i = 0; i < 5; i++) {
            float a = sc.nextFloat();
            n += Math.ceil(a / 10) * 10;
            String str = String.valueOf((int)a);
            int b = Integer.parseInt(str.substring(str.length() - 1));
            if (b < min && b >= 1) {
                min = b;
            }
        }
        System.out.println(n + min - 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