using System;

public class Program

{

    public static void Main()

    {

        int num,sum=0,n;

        Console.WriteLine("ENTER THE NUMBER:");

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

        n=num;

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

        {

            if(num % i==0)

            {

                sum=sum+i;

            }

            if(sum==n)

            {

                Console.WriteLine("ENTER THE NUMBER:");

    }

}