import java.util.Scanner;

public class No779
{
	public static void main(String args[])
	{
		Scanner sc = new Scanner(System.in);
		int Y = sc.nextInt();
		int M = sc.nextInt();
		int D = sc.nextInt();

		int hantei = 0; // 1 = ×
		if( Y <= 1990 && Y >= 2020 ){ hantei = 1; }
		if( Y == 2019 && M >= 5 ){ hantei = 1; }
		if( Y == 1989 && D <= 7 ){ hantei = 1; }
		if( Y == 2019 && M >= 5 ){ hantei = 1; }

		if( hantei == 1 ){ System.out.println( "NO" ); }
		else{ System.out.println( "YES" ); }
	}
}