using System;

public class Program

{

    public static void Main()

    {

        bool test1 = IsPerfectSquare(1);

        Console.WriteLine("Is 1 a square number: " + test1);

        Console.WriteLine();

        bool test2 = IsPerfectSquare(3);

        Console.WriteLine("Is 3 a square number: " + test1);

        Console.WriteLine();

        bool test3 = IsPerfectSquare(9);

        Console.WriteLine("Is 9 a square number: " + test1);

        Console.WriteLine();

        bool test4 = IsPerfectSquare(25);

        Console.WriteLine("Is 25 a square number: " + test1);

        Console.WriteLine();

        bool test5 = IsPerfectSquare(89);

        Console.WriteLine("Is 89 a square number: " + test1);

        Console.WriteLine();

    }

    public static bool IsPerfectSquare(int x)

    {

        for (int i = 1; i * i <= x; ++i)

        {

            if (i * i == x)

            {

                Console.WriteLine("  " + x + " is the square number of " + i);

                return true;

            }

        }

        return false;

    }

}