class Program
    {
        static void Main(string[] args)
        {
            string[] str = Console.ReadLine().Split(' ');
            string[] numList = Console.ReadLine().Split(' ');
            ulong sumNum = AllTotal(numList);
            if (ulong.Parse(str[2]) - sumNum < 0 || ulong.Parse(str[2]) - sumNum >= 0 && (ulong.Parse(str[2]) - sumNum) % ulong.Parse(str[1]) != 0)
            {
                Console.WriteLine("No");
            }
            else
            {
                Console.WriteLine("Yes");
            }


        }

        private static ulong AllTotal(string[] numList)
        {
            ulong sum = 0;
            for (int i = 0; i < numList.Length; i++)
            {
                sum += ulong.Parse(numList[i]);
            }
            return sum;
        }
    }