import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int Y = sc.nextInt();
		int M = sc.nextInt();
		int D = sc.nextInt();
		sc.close();
		if(1989 <= Y && Y <= 2019) {
			if(Y == 1989) {
				if(M == 1) {
					if(D >= 8) {
						System.out.println("Yes");
					}else {
						System.out.println("No");
					}
				}else {
					System.out.println("Yes");
				}
			}else if(Y == 2019) {
				if(M > 4) {
					System.out.println("No");
				}else {
					System.out.println("Yes");
				}
			}else {
				System.out.println("Yes");
			}
		}else {
			System.out.println("No");
		}
	}
}