Submission #1321569

---

Source Code Expand

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); i++)
#define shosu(n) setprecision(n)
using namespace std;
int main() {
  int c, n;
  cin >> c >> n;
  if (c % 2 == 1)
    if ((c - 1) / 2 + 1 >= n)
      cout << "YES" << endl;
    else if (c % 2 == 0)
      if ((c - 1) / 2 >= n)
        cout << "YES" << endl;
      else
        cout << "NO" << endl;
  return 0;
}

Submission Info

Judge Result