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

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);  
	char a, b, c;
	cin >> a >> b >> c;
	if(b == '?') cout << 14 << endl;
	else if(b == '3') cout << 1 << endl;
	else cout << 4 << endl;
	return 0;	
}