func_code_string: #include <bits/stdc++.h>   using namespace std;   inline int nxt() {     int x;     scanf( %d , &x);     return x;   }   int main() {     mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());     long long n;     cin >> n;     vector<long long> ps;     for (long long i = 2; i * i <= n; ++i) {       if (n % i) {         continue;       }       ps.push_back(i);       while (n % i == 0) {         n /= i;       }     }     if (n > 1) {       ps.push_back(n);     }     cout << (ps.size() == 1 ? ps[0] : 1) <<   n ;     return 0;   }   