#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main(){
	int i,j,k,flag,n;
	ll a[101];
	a[0] = 2;
	a[1] = 3;
	for(i = 2;i<=101;i++){
		a[i] = a[i-1]+a[i-2];
	} 
	while(scanf("%d",&n)!=EOF){
		flag = 1;
		for(i = 0;i<=101;i++){
			if(n==a[i]){
				flag = 0;
				printf("Lucky Day\n");
				break;
			}
		}
		if(flag){
			printf("Bad Day\n");
		}
	}
}