#include <bits/stdc++.h>
using namespace std;
int main(){
   int n;
   cin >> n;
   string s;
   for (int i=1; i<=n; i++){
       s="";
       cin >> s;
       if (s.length()==3){
           cout << "YES" << endl;
           continue;
       }
       int f=1;
       for (int j=1; j<s.length()-2; j++){
           if (s[j]!=s[s.length()-i-1]){
               f--;
               break;
           }
       }
       if (f==1)	cout << "YES\n";
       else	cout << "NO\n";
   }
}