using System;

public class Program

{

    public static void Main()

    {

        //string s1 = "abc";

        //string string2 = string1;

        //string string3 = String.Copy(string1);

        //Console.WriteLine(string1);

        //Console.WriteLine(string2);

        //Console.WriteLine(string3);

        //string def = "def";

        //string s2 = s1 + "def";

        //string s3 = string.Concat(s1,def);

        //Console.WriteLine(s2);

        //Console.WriteLine(s3);

        //int number = 123;

        //string numstr = number.ToString();

        //Console.WriteLine(number);

        //Console.WriteLine(numstr);

        string halo = "halo namaku felicia graciella";

        //Console.WriteLine(halo.Substring(4));

        //Console.WriteLine(halo.Substring(1,5));

        string cobastring1 = "abc";

        string cobastring2 = "abcd";

        int n = string.Compare(cobastring1, cobastring2);

        //Console.Write(n);

        string s1 = "Lean";

        string s2 = s1.Insert(3,"r");

        string s3 = s2.Insert(5,"er");

        //Console.WriteLine(s1);

        //Console.WriteLine(s2);

        //Console.WriteLine(s3);

        string nama = "felicia";

        //Console.WriteLine(nama.Length);

        string kalimat = Console.ReadLine();

        int jumlah = kalimat.Length;

        int awal = 0;

        int counter = 0;

        for (int i = 0; i < jumlah / 2; i++)

        {

            if (string.Equals(kalimat[awal], kalimat[jumlah-1]))

            {

                awal++;

                jumlah--;

                counter++;

            }   

        }

        if (counter == jumlah / 2)

        {

            Console.Write("Kalimat Palindrom");

        }

        else if (counter != jumlah/2)

        {

            Console.Write("Bukan Kalimat Palindrom");

        }

    }

}