import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class No00000637_Main {
	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	public static void main(String[] args) throws IOException {
		String[] a = br.readLine().split(" ");
		int c = 0;
		for(int i = 0; i < a.length; i++) {
			int j = Integer.parseInt(a[i]);
			if(j % 3 == 0 && j % 5 == 0) {
				c += 8;
			} else if(!(j % 3 != 0 && j % 5 != 0)) {
				c += 4;
			} else {
				c += String.valueOf(j).length();
			}
		}
		System.out.println(c);
	}
}