func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, x, y, flag = 0;     cin >> n >> x >> y;     n /= 2;     if ((n == x && n == y) || (n == (x - 1) && n == (y - 1)) ||         (n == (x) && n == (y - 1)) || (n == (x - 1) && n == (y)))       flag = 1;     if (flag)       cout <<  NO  << endl;     else       cout <<  YES  << endl;     return 0;   }   