func_code_string: #include <bits/stdc++.h>   using namespace std;   int z = 1000000007;   int main() {     int n;     cin >> n;     if (n % 3 == 0)       cout <<  1             <<   1   << (n - 2);     else if (n % 3 == 1)       cout <<  1             <<   1   << (n - 2);     else       cout <<  1             <<   2   << (n - 3);     return 0;   }   