import java.util.*;

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();
		String ans;
		if (y < 1989 || y > 2019) {
		    ans = "No";
		} else if (y == 1989) {
		    if (m == 1 && d < 8) {
		        ans = "No";
		    } else {
		        ans = "Yes";
		    }
		} else if (y == 2019) {
		    if (m <= 4) {
		        ans = "Yes";
		    } else {
		        ans = "No";
		    }
		} else {
		    ans = "Yes";
		}
	    System.out.println(ans);
   }
}