#include <stdio.h>
	int a[100];
	int PAN(int n){
		int i;
		a[1]=1;
		a[2]=1;
		for(i=3;i<=100;i++){
			a[i]=a[i-1]+a[i-2];
			if(a[i]==n){
				return 1;
			}
			if(a[i]>n){
				break;
			}
		}
		return 0;
	}
int main (void){
	int n;
	while (scanf("%d",&n)!=EOF){
		if(n==0){
			break;
		}
		if(PAN(n)==0){
			printf("Bad Day\n");
		}
		else{
		printf("Lucky Day\n");
	}
}
return 0;
}