#include <iostream>
#include <string>
using namespace std;

int main(){
	string str;
	cin >> str;
	for(int i = 1; i <= str.length(); i++){

		if(tolower(str[i-1]) == tolower(str[str.length()-i])) {continue;}
		else {
			cout<<str<<" is not a palindrom"<<endl;
			return 0;
		}
	}
	cout<<str<<" is a palindrom."<<endl;
	return 0;
}