using System;

public class Program

{

    static bool IsPalindrome(string word)

    {

        string s = "";

        for(int i = word.Length - 1; i >= 0; i--)

        {

            s += word[i];

        }

        return word == s;

    }

    public static void Main()

    {

        Console.Write("n = ");

        string word = "";

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

        for(int i = 0; i < n; i++) 

        {

            word += char.Parse(Console.ReadLine());

        }

        if(IsPalindrome(word)) 

        {

            Console.WriteLine("It is palindrome");

        }

        else

        {

            Console.WriteLine("It isn't palindrome");

        }

    }

}