func_code_string: #include <bits/stdc++.h>      using namespace std;   typedef long long ll;      const int N = 1e6 + 9;      int main () {       int t;       cin >> t;       while (t--) {           ll n, last;           cin >> n;           for (ll i = 0; i < 33; i++) {               if (n & (1ll << i))                   last = i;           }           cout << ((1ll << last) - 1ll) <<   n ;       }       return 0;   }   