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

int main()
{
    int n;
    cin >> n;
    for( int i = 0; i < n; i++){
        string s;
        cin >> s;
        string aa(s.rbegin(),s.rend()); 
        if(!aa.compare(s)){
            cout << "YES" << endl;
        }else{
            cout << "NO" << endl;
        }
    }
}