#include <bits/stdc++.h>

#define VARNAME(x) #x
#define show(x) cerr << #x << " = " << x << endl

using namespace std;
using ll = long long;
using ld = long double;

template <typename T>
vector<T> Vec(int n, T v)
{
    return vector<T>(n, v);
}
template <class... Args>
auto Vec(int n, Args... args)
{
    auto val = Vec(args...);
    return vector<decltype(val)>(n, move(val));
}
template <typename T>
ostream& operator<<(ostream& os, const vector<T>& v)
{
    os << "sz:" << v.size() << "\n[";
    for (const auto& p : v) {
        os << p << ",";
    }
    os << "]\n";
    return os;
}

template <typename S, typename T>
ostream& operator<<(ostream& os, const pair<S, T>& p)
{
    os << "(" << p.first << "," << p.second
       << ")";
    return os;
}


constexpr ll MOD = (ll)1e9 + 7LL;
constexpr ld PI = static_cast<ld>(3.1415926535898);
template <typename T>
constexpr T INF = numeric_limits<T>::max() / 10;


int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    char c1, c2, c3;
    cin >> c1 >> c2 >> c3;
    if (c1 == '?') {
        if (c2 == '2') {
            cout << 4 << endl;
        } else {
            cout << 1 << endl;
        }
    } else if (c1 == '2') {
        if (c2 == '?') {
            cout << 14 << endl;
        } else {
            cout << 1 << endl;
        }
    } else {
        if (c2 == '?') {
            cout << 14 << endl;
        } else {
            cout << 4 << endl;
        }
    }

    return 0;
}