#include<bits/stdc++.h> using namespace std; bool cmp(double a,double b){ return a>b; } int main(){ int n,m; double c,sum=0,arr[101]; cin>>n>>m>>c; for(int i=1;i<=n;i++){ cin>>arr[i];

}
sort(arr+1,arr+n+1,cmp);
for(int i=1;i<=m;i++){
	sum+=arr[i];
}
if(sum>c){
	cout<<"Good Game!"<<endl;
	printf("%.3lf",sum-c);
}
else{
	cout<<"Bad Game!"<<endl;
	printf("%.3lf",c-sum);
}




return 0;

}