func_code_string: #include <bits/stdc++.h>   using namespace std;   template <class T>   string toStr(const T &x) {     stringstream s;     s << x;     return s.str();   }   template <class T>   int toInt(const T &x) {     stringstream s;     s << x;     int r;     s >> r;     return r;   }   const double pi = acos(-1);   const double Pi2 = acos(0);   struct point {     double x, y;     point() {}     point(double X, double Y) : x(X), y(Y) {}     point sub(point a) { return point(x - a.x, y - a.y); }     point add(point a) { return point(x + a.x, y + a.y); }     double cross(point a) { return x * a.y - y * a.x; }     point multbyscalar(double ua) { return point(ua * x, ua * y); }   };   int lucky(string cad) {     for (int i = 0; i < cad.size(); ++i)       if (cad[i] !=  4  and cad[i] !=  7 ) return 0;     return 1;   }   int main() {     int n, x, y;     cin >> n >> x >> y;     int pin = 1;     n >>= 1;     if ((x == n or x == n + 1) and (y == n or y == n + 1)) pin = 0;     if (pin)       cout <<  YES  << endl;     else       cout <<  NO  << endl;     return 0;   }   