#include "bits/stdc++.h"

using namespace std;

signed main() {

	char a, b, c;
	cin >> a >> b >> c;
	if ('?' == a) {
		if ('2' == b) {
			cout << 4 << endl;
			return 0;
		}
		cout << 1 << endl;
		return 0;
	}
	if ('?' == b) {
			cout << 14 << endl;
			return 0;
	}
	if ('2' == a) {
		cout << 1 << endl;
		return 0;
	}
	cout << 4 << endl;

	return 0;
}