using System;

public class Program

{

    public static void Main()

    {

        int sum=0;

        int store=0;

        int no;

        Console.WriteLine("enter the no of element");

        no=int.Parse(Console.ReadLine());

        int[] no1=new int[10];

        for(int i=0;i<no;i++)

        {

            Console.WriteLine("element of {0}",i+1);

            no1[i]=int.Parse(Console.ReadLine());

        }

        for(int i=0;i<no;i++)

        {

            store=0;

            for(int j=1;j<no1[i];j++)

            {

                if(no1[i]%j==0)

                {

                store=store+j;

        }

            }

        if(store==no1[i])

        {

            Console.WriteLine("the perfect nos are "+no1[i]);

            sum=sum+no1[i];

        }

        }

        Console.WriteLine("the sum of perfect no are"+sum);

    }

}