#include <bits/stdc++.h>
#include<algorithm>
using namespace std;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n;
cin>>n;
string s[n];
for(int i=0;i<n;i++){cin>>s[i];
if(s[i].find("010")||s[i].find("101")){cout<<"Good"<<'\n';}
else {cout<<"Bad"<<'\n';}}
}
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