#include<stdio.h>
#include<math.h>
#include<stdlib.h>

int main()
{
	int n;
	while(scanf("%d",&n)!=EOF)
	{
		int a[10000];
		a[0] = 2;
		a[1] = 3;
		a[2] = 5;
		for(int i = 3;i < 30;i++)
		{
			a[i] = a[i-2] + a[i-1];
		}
		int p = 0;
		for(int i = 0;i < 30;i++)
		{
			if(n == a[i])
			{
				p = 1;
				break;
			}
		}
		if(p == 1)
			printf("Lucky Day\n");
		else
			printf("Bad Day\n");
	}
	return 0;
}