using System;

public class Program

{

    public static void Main()

    {

            int number,sum=0,n;

            Console.WriteLine("The perfect Number");

            Console.Write("enter the Number");

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

            n = number;

            for (int i = 1; i < number;i++)

            {

                if (number % i == 0)

                {

                    sum=sum + i;

                }

            }

                if (sum == n)

                {

                    Console.WriteLine("\n Entered number is a perfect number");

                    Console.ReadLine();

                }

                else

                {

                    Console.WriteLine("\n Entered number is not a perfect number");

                    Console.ReadLine();

                }     

    }

}