#include<iostream>

using namespace std;

int p[100005];

int main(){
	int n;
	int a=1,b=1,c=2;
	while(c<=100000){
		p[c]=1;
		a=c;
		c=b+c;
		b=a;
	}
	while(scanf("%d",&n)!=EOF){
		if(p[n])printf("Lucky Day\n");
		else printf("Bad Day\n");
	}
	return 0;
}