//***********************
// Palindrome.java
//***********************
import cs1.Keyboard;

public class Palindrome
{
	public static void main (String[] a)
	{
		String s = Keyboard.readString();
		boolean palindrome = true;
		
		int f = s.length() - 1;
		for (int i = 0; i < f && palindrome; i++, f--)
			if (s.charAt(i) != s.charAt(f))
				palindrome = false;
		
		if (palindrome)
			System.out.println ("era palindrome");
		else 
			System.out.println ("non era palindrome");
	}
}