import java.io.*;
import java.util.Scanner;


public class Main_yukicoder779 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		int y = sc.nextInt();
		int m = sc.nextInt();
		int d = sc.nextInt();

		if (y > 1989 && y < 2019) {
			pr.println("Yes");
		} else if (y == 1989) {
			if (m > 1) {
				pr.println("Yes");
			} else {
				if (d >= 8) {
					pr.println("Yes");
				} else {
					pr.println("No");
				}
			}
		} else if (y == 2019) {
			if (m < 4) {
				pr.println("Yes");
			} else if (m == 4) {
				if (d <= 30) {
					pr.println("Yes");
				} else {
					pr.println("No");
				}
			} else {
				pr.println("No");
			}
		} else {
			pr.println("No");
		}
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(System.in);
		pr = new Printer(System.out);
			
		solve();
			
		pr.close();
		sc.close();
	}

	static class Printer extends PrintWriter {
		Printer(OutputStream out) {
			super(out);
		}
	}
}