#include <bits/stdc++.h>
using namespace std;

int main() {
  int A, B;
  cin >> A >> B;
  if (A == B) {
    cout << "Yes" << endl;
  } else if (2 * A <= B && 2 * B <= A) {
    cout << "Yes" << endl;
  } else {
    cout << "No" << endl;
  }
  return 0;
}