#include<stdio.h>
#include<math.h>
#include<string.h>
#include<stdlib.h>
int main()
{
	int n,a,b;
	int sum;
	while(scanf("%d",&n)!=EOF)
	{
		sum=0;
		int j=0;
		a=1,b=1;
		while(sum<n)
		{
			sum=a+b;
			a=b;
			b=sum;
			if(n==sum)
			{
				j=1;
				break;
			}
		}
		if(j==1)
		{
		printf("Lucky Day\n");
	}
		else
		{
			printf("Bad Day\n");
		}
	}
}