class Program
    {
        static void Main(string[] args)
        {
            string[] nh = Console.ReadLine().Split(' ');
            string[] numStr = Console.ReadLine().Split(' ');
            int[] numList = new int[int.Parse(nh[0])];
            for (int i = 0; i < int.Parse(nh[0]); i++)
            {
                numList[i] = int.Parse(numStr[i]);
            }
            Array.Sort(numList);
            bool multipleFlg = true;
            if (numList[0] == 0)
            {
                multipleFlg = false;
            }
            else
            {
                int checkNumber = int.Parse(nh[1]);
                for (int i = 0; i < int.Parse(nh[0]); i++)
                {
                    if (checkNumber % numList[i] == 0 && checkNumber / numList[i] > 0)
                    {
                        checkNumber /= numList[i];
                    }
                    if(checkNumber == 1)
                    {
                        break;
                    }
                }
                if(checkNumber != 1)
                {
                    multipleFlg = false;
                }
            }
            if (multipleFlg)
            {
                Console.WriteLine("YES");
            }
            else
            {
                Console.WriteLine("NO");
            }
                
        }
    }