#include<cstdio>
#include <algorithm>
#include <iostream>
#include<cstring>
#include<cmath>
using namespace std;
const int maxn=100005;
int main()
{
	int n,flag;
	int a[maxn];
	a[1]=1;a[2]=2;
	for(int i=3;i<=100;i++)
	{
		a[i]=a[i-1]+a[i-2];
	}
	while(~scanf("%d",&n))
	{
		flag=0;
		for(int i=1;i<=100;i++)
		{
			if(a[i]==n)
			{
				flag=1;
				break;
			}
		}
		if(flag)printf("Lucky Day\n");
		else printf("Bad Day\n");
	}
//	system("pause");
}