#include<iostream>
#include<algorithm>
using namespace std;
int t;
int main(){
	cin>>t;
	while(t--)
	{
		bool flag = 0;
		string a;
		cin>>a;
		for(int i=0;i<14;i++)
		{
			if(a[0]=='D'&&a[1]=='X')
				flag = 1;
			if(a[i]==a[i+1]&&a[i+1]==a[i+2]&&a[i+2]==a[i+3])
				flag = 1;
		}
		if(flag)cout<<"Yes"<<endl;
		else cout<<"No";
	}
	return 0;
}