#include<stdio.h>
#include<math.h>
int main(){
int a,b,n,i;
while(scanf("%d",&n)!=EOF){
a=1;
b=1;
for(i=0;i<100000;i++){
	if(a==n||b==n){
		printf("Lucky Day\n");
		break;}
	else if(a>n){
		printf("Bad Day\n");
	break;}
	a=a+b;
	b=a+b;}


}
}