import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String a0 = sc.next();
		String a1 = sc.next();
		a0 = a0.replace(".", "");
		a1 = a1.replace(".", "");
		int version = Integer.valueOf(a0);
		int isVersion = Integer.valueOf(a1);
		String ans = "";
		if(version >= isVersion) {
			ans = "YES";
		} else {
			ans = "NO";
		}
		System.out.println(ans);
 	}
}