// editor5
#include<iostream>
#include<string>
using namespace std;
int main()
{
    string s;
    if(!(cin>>s))
    return 0;
    string rev=s;
    reverse(rev.begin(),rev.end());
    if(s==rev)
    cout<<s<<"is palindrome";
    else
    cout<<"is not palindrome";
    return 0;
}