#include<iostream>
#include<string>
#include<algorithm>
using namespace std;
int main(){
    string str;
    cin>>str;
    string reversed_str=str;
    reverse(reversed_str.begin(),reversed_str.end());
    if(str==reversed_str){
        cout<<str"is palindrome"<<endl;
    }else{
        cout<<str<<"is not palindrome"<<endl;
    }
}