#include<iostream>
#include<string>
#include<string.h>
#include<algorithm>
#include<stdio.h>
#include<cmath>
#include<vector>
#include<utility>
#include<stack>
#include<queue>
#include<list>
#include<bitset>
#include<functional>

#define FOR(i, a, b) for(int i=(a);i<=(b);i++)
#define RFOR(i, a, b) for(int i=(a);i>=(b);i--)
#define MOD 1000000007
#define INF 1000000000

using namespace std;


int main(void) {
	char a, b, c;
	int p, q, r;
	int result;

	cin >> a >> b >> c;

	if (a == '?') {
		if (b == '2') {
			result = 4;
		}
		else {
			result = 1;
		}
	}
	if (b == '?') {
		result = 14;
	}
	if (c == '?') {
		if (a = '2') {
			result = 1;
		}
		else {
			result = 4;
		}
	}
	cout << result << endl;

	return 0;
}