#include<stdio.h>
int main()
{
	int n,i;
	long long a[45];
	a[0]=2;a[1]=3;
	for(i=2;i<25;++i)
		a[i]=a[i-1]+a[i-2];
	while(scanf("%d",&n)!=EOF)
	{
		i=0;
		while(a[i]<n)
		{
			i++;
		}
		if(a[i]==n)
			printf("Lucky Day\n");
		else
			printf("Bad Day\n");
	}
	return 0;
}