package yukicoder.No637;

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		
		int cnt = 0;
		for (int i = 0; i < 5; i++) {
			int num = in.nextInt();
			if (num%3 == 0 && num%5 == 0) {
				cnt += 8;
			} else if (num%3 == 0 && num%5 != 0) {
				cnt += 4;
			} else if (num%5 == 0 && num%3 != 0) {
				cnt += 4;
			} else if (num%3 != 0 && num%5 != 0) {
				cnt += Integer.toString(num).length();
			}
		}
		System.out.println(cnt);
	}
}