using System;

public class Program

{

    public static void Main()

    {

        int num1,num2,reversednum1,cnt=0;

        num1 = int.Parse(Console.ReadLine()); 

        num2 = int.Parse(Console.ReadLine()); 

        reversednum1 = (num1 % 10) * 10 + (num1 / 10); 

        while (num2 > 0)

        {

            int lastwodig = num2 % 100; 

            if (lastwodig == num1 || lastwodig == reversednum1)

            {

                cnt++;

            }

​

            num2=(num2-(num2%10))/10; 

        }

​

        if (cnt>=1)

            Console.WriteLine("yes");

        else

            Console.WriteLine("no");

    }

} 

​