func_code_string: #include <bits/stdc++.h>   using namespace std;   long long p2(long long x) { return x * x; }   int main() {     long long n;     cin >> n;     if (n <= 2)       cout << -1 << endl;     else if (!(n % 2))       cout << (n * n) / 4 - 1 <<     << (n * n) / 4ll + 1ll << endl;     else       cout << (n * n - 1) / 2ll <<     << (n * n + 1) / 2ll << endl;     return 0;   }   