import java.util.Scanner;
public class Uniform_Generator {
public static void main(String[] args) {
Scanner cin=new Scanner(System.in);
int step,mod,i=0,n;
String str=null;
int a[]=new int[100000];
while(cin.hasNext())
{
step=cin.nextInt();
mod=cin.nextInt();
for(i=0;i<mod;i++)
a[i]=-1;
a[0]=0;
for(i=1;i<mod;i++)
{
a[i]=(a[i-1]+step)%mod;
if(a[i]==0) break;
}
str="Good Choice";
for(i=0;i<mod;i++)
{
if(a[i]==-1)
{
str="Bad Choice";
break;
}
}
System.out.println(String.format("%10d", step)+String.format("%10d", mod)+" "+str);
System.out.println();
}
}
}