import java.util.*;

public class Run {
    public static void main (String arg[]) {
        Scanner scan = new Scanner(System.in);
        scan.useDelimiter("[^0-9]");
        int A = scan.nextInt();
        int B = scan.nextInt();
        int C = scan.nextInt();
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();

        boolean flag = false;
        if (a > A) flag = true;
        else if (a==A && b>B) flag = true;
        else if (a==A && b==B && c > C) flag = true;
        String ans;
        if (flag) ans = "NO";
        else ans = "YES";
        System.out.println(ans);
    }
}