import java.util.Scanner;
public class No779 {

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		int Y = s.nextInt(),M = s.nextInt(),D = s.nextInt();
		s.close();

		int total = Y * 10000 + M * 100 + D;
		if(total >= 19890108 && total <= 20190430){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}

	}

}