#include <iostream>
using namespace std;
int main(){
	char a,b,c;
	cin >> a >> b >> c;
	if(a == '?'){
		if(b < c) cout << 4 << endl;
		else cout << 1 << endl;
	}else if(b == '?'){
		cout << 14 << endl;
	}else if(c == '?'){
		if(a < b) cout << 1 << endl;
		else cout << 4 << endl;
	}
	return 0;
}