#include<bits/stdc++.h> using namespace std; int main (){ char a[1000]; int n=0; cin>>a; while(a[n]!=0){ n++; } for(int i = 0;i<n/2;i++){ if(a[i]!=a[n-1-i]){ cout<<"Yes"; }else{ cout<<"No"; { } } } return 0; }