import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int d = sc.nextInt() * 10000 + sc.nextInt() * 100 + sc.nextInt();
        if (d >= 19890108 && d <= 20190430) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
}