
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int dish;
		int time = 0;
		int diff = 10;
		for(int i = 0; i < 5; i++) {
			dish = sc.nextInt();
			if(dish % 10 == 0) {
				time += dish;
			} else {
				if(diff > dish % 10) {
					diff = dish % 10;
				}
				time += dish + 10 - dish % 10;
			}
		}
		if(diff != 10) {
			time -= (10 - diff);
		}
		System.out.println(time);
	}

}

/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