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