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