import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) {
		BufferedReader read = new BufferedReader(new InputStreamReader(System.in));
		try {
			String[] box = read.readLine().split(" ");
			double[] num = new double[2];
			for (int i = 0; i < 2; ++i) {
				num[i] = Double.parseDouble(box[i]);
			}
			double p1, p2;

			p1 = (1 - num[0]) * num[1];
			p2 = num[0] * (1 - num[1]) * num[1];

			if (p1 < p2) {
				System.out.println("YES");
			} else {
				System.out.println("NO");
			}

		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}