import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.stream.Stream;

public class No00000138_Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		int[] arr1 = Stream.of(br.readLine().split("\\.")).mapToInt(Integer::parseInt).toArray();
		int[] arr2 = Stream.of(br.readLine().split("\\.")).mapToInt(Integer::parseInt).toArray();
		System.out.println(arr1[0] < arr2[0] || arr1[1] < arr2[1] || arr1[2] < arr2[2] ? "NO" : "YES");
	}
}