#include<bits/stdc++.h>
using namespace std;
int main(){
	char b,a[10000][10000],c[10000][10000];
	int n,i,j;
	cin>>n;
	for(i = 0;i < n;i++){
		cin>>a[i];
	}
	for(i = 0;i < n;i++){
		for(j = 0;j < strlen(a[i]);j++){
			b = strlen(a[i]);
			c[i][j] = a[i][b];
			b--;
		}
		if(a[i] == c[i]){
			cout<<"yes"<<endl;
		}else{
			cout<<"no"<<endl;
		}
	}
}