#include <fstream>

using namespace std;

ifstream cin("coffee.in");
ofstream cout("coffee.out");

int main(){
	int x,y,x1,y1;
	
	cin>>x>>y>>x1>>y1;
	
	if(max(x1,x)-min(x1,x)==max(y1,y)-min(y1,y))cout<<"Good!";
	else cout<<"You drink too much!";
	
	return 0;
}