#include<cstdio>
#include<cstring>
#include<cmath>
using namespace std;
void kick(int x){
	
	}
		
int main(){
		int x;
		int a[30];
		a[0]=1;
		a[1]=1;
		while(scanf("%d",&x)!=EOF)
		for(int i=2;i<26;i++){
			a[i]=a[i-1]+a[i-2];
			if(x==a[i]){
				printf("Lucky Day\n");
				break;
			}
			else if(i==25)
			printf("Bad Day\n");
		}
}