#include<bits/stdc++.h>
using namespace std;
bool b=false;
int main(){
	int n;
	char a[20];
	cin>>n;
	while(n--){
		b=false;
		for(int i=1;i<=17;i++){
			cin>>a[i];
		}
		if(a[1]=='D'&&a[2]=='X') {
			cout<<"Yes"<<endl;
			b=1;
		}
		for (int i=0;i<14 ;i++){
	        if (a[i]==a[i+1] && a[i+1]==a[i+2] && a[i+2]==a[i+3]) {
				cout<<"Yes"<<endl;
				b=1;
				break;
			}
	    }
	    if(!b) cout<<"No"<<endl;
	}
	return 0;
}