#include "bits/stdc++.h"
using namespace std;

int main() {
	char c1, c2, c3;
	cin >> c1 >> c2 >> c3;
	if (c1 == '?' || c3 == '?') {
		if (c2 == '2') cout << 1;
		else cout << 4;
	}
	else cout << 14;
	cout << endl;
}