import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
       
        Scanner sc = new Scanner(System.in);
        
        int N = sc.nextInt();
       
        boolean[] isTrue = new boolean[N+1];
        
        for(int i = 1 ; i <= N ; i++){
            String yOrN = sc.next();
            if(yOrN.equals("Yes")){
                isTrue[i] = true;
            }else{
                isTrue[i] = false;
            }
        }
       
        if(isTrue[1]){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
       
        for(int i = 2 ; i <= N ; i++){
            
            if(isMatch(isTrue , 1 , i) == isTrue[1]){
                System.out.println("Yes");
            }else{
                System.out.println("No");
            }
        }
      
        
    }
    
    private static boolean isMatch(boolean[] isTrue , int l, int r){
        if(l != r){
            if(isMatch(isTrue , l+1 , r) == isTrue[l]){
                return true;
            }else{
                return false;
            }
        }else{
            return isTrue[r];
        }
    }
   
}