#include<stdio.h>
int main ()
{
	int i,flag,t,a[10000];
	while(scanf("%d",&t)!=EOF)
	{
		a[0]=1;
		a[1]=1;
		flag=0;
		i=2;
		a[i]=2;
		while(a[i]<=t)
		{
		   	a[i]=a[i-1]+a[i-2];
		   	if(a[i]==t)
		   	{
		   		flag=1;
		   		break;
			}
			else
			{
				flag=0;
				i++;
			}
		}
		if(flag==1)
		{
			printf("Lucky Day\n");
		}
		else
		{
			printf("Bad Day\n");
		}
	}
	return 0;
}