func_code_string: #include <bits/stdc++.h>   using namespace std;   long long k, n, m;   int answ = 1;   bool flag = 0;   int main() {     cin >> n >> m;     k = 2;     for (int i = 2; i <= m; i++) k = (k * 2) % 1000000009;     if (k > n) {       for (int i = 1; i <= n; i++) answ = (answ * (k - i)) % 1000000009;       cout << answ;     } else       cout << 0;   }   