#include<stdio.h>
#include<stdlib.h>
#include<math.h>
#include<string.h>
int main(void)
{
	int n;int i,j,x;
	int a[10001];a[0]=2;a[1]=3;
	while(scanf("%d",&n)!=EOF)
	{
		int flag=0;
		if(n==3||n==2)flag=1;
		for(i=2;i<=10000;++i)
		{
			a[i]=a[i-1]+a[i-2];
			if(n==a[i])
			{
				flag=1;break;
			}
			else if(n<a[i])break;
		}
		if(flag)printf("Lucky Day\n");
		else printf("Bad Day\n");
	}
	return 0;
}