import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		char[] A = scan.next().toCharArray();
		char[] B = scan.next().toCharArray();

		int count = 0;
		for(int i = 0; i < A.length; i++){
			for(int j = 0; j < B.length; j++){
				if(A[i] == B[j]){
					count++;
					break;
				}
			}
		}

		String result;
		result = count == A.length ? "YES":"NO";
		System.out.println(result);
		scan.close();
	}

}