#include<iostream>
using namespace std;
#include<string.h>
int main()
{
int t;
char feedback[100000];
cin>>t;
while(t--)
{
cin>>feedback;
if((strstr(feedback,"010")!=NULL) || (strstr(feedback,"101")!=NULL)) cout<<"Good\n";
else cout<<"Bad\n";
}
return 0;
}
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