#include<bits/stdc++.h>
using namespace std;
string r="Yes";
int j;
bool c(string s){
	for(int i=1;i<=s.size();i++) {
	    if(r[i%3]!=s[i])  
		  return 0;
	}
	return 1;
}
int main(){
	string s;
	int n;
	cin>>n;
	for(j=1;j<=n;++j){
		cin>>s[j];
	}
	for(j=1;j<=n;++j){
		if(c(s)) cout<<"YES";
		else cout<<"NO";  
	}
	return 0;
}