#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
 
int main() {
	int t, flag, n;
	char c[100000];
	scanf("%d", &t);
	while(t--) {
		scanf("%s", c); 
		flag=0; n=strlen(c);
		for(int i=0; i<n-2; i++) {
			if(c[i]=='1' && c[i+1]=='0' && c[i+2]=='1') { printf("Good\n"); flag=1; break; }
			else if(c[i]=='0' && c[i+1]=='1' && c[i+2]=='0') { printf("Good\n"); flag=1; break; }
		}
		if(flag==0) printf("Bad\n");
	}
	return 0;
}

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