#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll mod = 1e9 + 7;
const ll inf = (1 << 30) - 1;
const ll infll = (1LL << 61) - 1;

char a, b, c;

int main()
{
    cin >> a >> b >> c;
    if ('?' == a)
        cout << ('2' == b ? 4 : 1) << endl;
    else if ('?' == b)
        cout << 14 << endl;
    else if ('2' == a)
        cout << 1 << endl;
    else
        cout << 4 << endl;
}