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 s = "" + y;
    if(m < 10) {
      s += ("0" + m);
    } else {
      s += m;
    }
    if(d < 10) {
      s += ("0" + d);
    } else {
      s += d;
    }
    int sd = Integer.parseInt(s);
    String ans = "No";
    if((sd >= 19890108) && (sd <= 20190430)) ans = "Yes";
    System.out.println(ans);
  }
}