func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long int m, n;     cin >> n >> m;     if (n > 26)       cout << m;     else {       int a = 2;       for (int i = 2; i <= n; i++) a = a * 2;       cout << m % a;     }   }   