import java.util.Scanner;

public class Main {

    public static void main(String args[]) {

        Scanner sc = new Scanner(System.in);
        Integer[] menu = {Integer.parseInt(sc.next()),
                Integer.parseInt(sc.next()),
                Integer.parseInt(sc.next()),
                Integer.parseInt(sc.next()),
                Integer.parseInt(sc.next())};

        int result = 0;
        int onesPlace = 10;
        for (int time : menu) {
            result += (int) Math.ceil(time / 10.0) * 10;
            if (time % 10 != 0) {
                onesPlace = Math.min(onesPlace, time % 10);
            }
        }

        System.out.println(result + onesPlace - 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