# include <stdio.h>

int main()

{

	int Step, Mod, i, Seed, Flag[100005];

	while(scanf("%d %d",&Step, &Mod) != EOF)

	{

		for(i = 0; i <= Mod - 1; i++)

			Flag[i] = 0;

		Seed = 0;

		do

		{

			Flag[Seed] = 1;

			Seed = (Seed + Step) % Mod;

		}

		while(Seed != 0);

		for(i = 0; i <= Mod - 1; i++)

			if(Flag[i] == 0)

				break;

		if(i <= Mod - 1)

			printf("%10d%10d    Bad Choice\n\n", Step, Mod);

		else

			printf("%10d%10d    Good Choice\n\n", Step, Mod);

	}

	return 0;

}