#include<stdio.h>
int a[24]={2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946, 17711, 28657, 46368, 75025};
int main(){
	int n;
	while(scanf("%d",&n)!=EOF){
		int i,f=0;
		for(i=0;i<24;i++){
			if(a[i]==n){
				f=1;
				break;
			}
		}
		if(f){
			printf("Lucky Day\n");
		} else {
			printf("Bad Day\n");
		}
	}
}