import java.util.Scanner;
class TechNum
{
    private static int num ;
    
    static int digitCheck()
    {
        int n = num ;
        int digitCount = 0 ;
        while(n>0)
        {
            n/= 10 ;
            digitCount ++ ;
        }
        return digitCount ;
    }
    
    static void input()
    {
        Scanner sc = new Scanner(System.in);
        System.out.println("Enter a number") ;
        num = sc.nextInt() ;
    }
    
    static void display()
    {
        int digits = digitCheck() ;
        if(digits%2==0)
        {
            int temp = num ; 
            int divisor = (int)Math.pow(10,digits/2) ;
            int firstHalf = temp%divisor ;
            int secondHalf =  temp/divisor ;
            int sum = firstHalf + secondHalf ;

            if((sum*sum)==num)
            System.out.println(num+" is a Tech Number") ;
            
            else 
            System.out.println(num+" is not a Tech Number") ;
        }
        else
        System.out.println("Number does not have even number of digits") ;
    }
    
    public static void main(String args[])
    {
        input() ;
        display() ;
    }
}