#include<stdio.h>
#include<string.h>
#include<math.h>
int main(){
	int n,i,a[100];
	a[0]=0;
	a[1]=1;
	for(i=2;i<=26;i++){
		a[i]=a[i-1]+a[i-2];
	}
	while(scanf("%d",&n)!=EOF){
		for(i=0;i<=26;i++){
			if(n==a[i]){
               printf("Lucky Day\n");
			   break;
			}
		}
		if(i==27){
             printf("Bad Day\n");
		}
	}
	return 0;
}