#include <iostream>
#include <cstdint>

using namespace std;

int main()
{
	cin.tie(nullptr);
	ios::sync_with_stdio(false);

	uint16_t A, B;
	cin >> A >> B;

	if (A > B * 2 || B > A * 2) cout << "No\n";
	else cout << "Yes\n";

	return 0;
}