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