06. Strong number

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _6.Strong_Number
{
    class Program
    {
        static void Main(string[] args)
        {
            int N = int.Parse(Console.ReadLine());

            int Num = N;
            int Total = 0;

            while (Num > 0)
            {
                int Sum = 1;
                int Number = Num % 10;
                Num = Num / 10;

                for(int i=Number;i>0;i--)
                {
                    Sum *= i;
                }
                Total += Sum;

              }

            if (N == Total)
            {
                Console.WriteLine("yes");
            }
            else
            {
                Console.WriteLine("no");
            }



        }
    }
}