using System;

public class Program

{

    public static void Main()

    {

    for(int i=1000;i<=5000;i++)

    {

        int ld=0,pow=1,store=0;

        int count=0;

        int temp=i;

        int temp1=i;

        while(temp>0)

        {

            ld=temp/10;

            count++;

        }

        for( i=1;i<=count;i++)

        {

            while(temp1>0)

            {

                ld=temp%10;

                pow=pow*ld;

            }

            store=store+pow;

            pow=1;

            temp1=temp1/10;

        }

        Console.WriteLine("the armstrong nos are");

        if(store==i)

        {

            Console.WriteLine(i);

        }

    }

}

}