import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.HashSet;
import java.util.NoSuchElementException;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		new Main().run();
	}

	void run() {
		Scanner sc = new Scanner(System.in);
		int[] a = new int[5];
		for (int i = 0; i < a.length; ++i)
			a[i] = sc.nextInt();
		int ans = 0;
		for (int v : a) {
			if (v % 5 == 0 && v % 3 == 0) {
				ans += 8;
			} else if (v % 3 == 0) {
				ans += 4;
			} else if (v % 5 == 0) {
				ans += 4;
			} else {
				ans += String.valueOf(v).length();
			}
		}
		System.out.println(ans);
	}

	void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}
}