using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("please enter a number");

        int n= Int32.Parse(Console.ReadLine());

        int p1= n % 100;

        int p2= n/100;

        int sum= p1+p2;

        int x= sum*sum;

        string y;

        y= x==n? "the number is a tech number" : "the number isn't a tech number";

        Console.WriteLine(y);

    }

}