func_code_string: #include <bits/stdc++.h>   using namespace std;   struct __s {     __s() {       if (1) {         ios_base::Init i;         cin.sync_with_stdio(0);         cin.tie(0);       }     }     ~__s() {       if (!1)         fprintf(stderr,  Execution time: %.3lf s. n ,                 (double)clock() / CLOCKS_PER_SEC);       long long n;       cin >> n;     }   } __S;   int main(void) {     long long n;     cin >> n;     long long k = 32;     while (n) {       while (n < (1LL << k)) k--;       cout << k + 1 <<    ;       n -= (1LL << k);     }     cout <<   n ;     return 0;   }   