import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int dishAmount = 5;
		int[] time = new int[dishAmount];
		int lastTime = 0;
		int totalTime = 0;
		for(int i = 0 ; i < dishAmount ; i++) {
			time[i] = sc.nextInt();
			if(time[i] % 10 != 0) {
				totalTime = totalTime + (10 * ((time[i] / 10) + 1));
				
				if(lastTime < 10 - (time[i] % 10)) {
					lastTime = 10 - (time[i] % 10);
				}
			}else {
				totalTime = totalTime + time[i];
			}
		}
		sc.close();
		System.out.println(totalTime - lastTime);
	}
}
/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