#include<stdio.h>
int main()
{
	int n,i,a,b,f;
	while(scanf("%d",&n)!=EOF)
	{
		f=0;
		a=1;
		b=2;
		while(b<=n)
		{
			b=a+b;
			a=b-a;
			if(n==a||n==b)
			{
				f=1;
				break;
			}
		}
		if(f==1)
			printf("Lucky Day\n");
		else
			printf("Bad Day\n");
	}
}