func_code_string: #include <bits/stdc++.h>   using namespace std;   int gcd(int x, int y) {     if (y == 0) return x;     return gcd(y, x % y);   }   int main() {     int n;     cin >> n;     int ansx = 0, ansy = 0;     for (int i = 1; i < n; i++) {       int j = n - i;       if (j <= i) break;       if (gcd(i, j) != 1) continue;       ansx = i;       ansy = j;     }     cout << ansx <<     << ansy << endl;     return 0;   }   