/*
Write a program that finds if a string is a palindrome.
*/

#include <iostream>
#include <string>

using namespace std;

void palindromeFind(string myString)
{
	string backwards;

	for (int i = myString.length() - 1; i < myString.length(); i--)
	{
	backwards = backwards + myString[i];
	}
	if (backwards == myString)
		cout << "palindrome";
	else
		cout << "not a plaindrome";
}


int main()
{
	string x;
	getline(cin, x);

	palindromeFind(x);



	cin.get();
	cin.get();
	return 0;
}