#include <stdio.h>
int main(){
	int a[100],i,n,flag;
	while (scanf("%d",&n)!=EOF){
		for(i=1;i<30;i++){
			if(i==1||i==2){
				a[i]=1;
			}else if(i>=3){
				a[i]=a[i-1]+a[i-2];
			}
			if(n==a[i]&&n!=1){
				flag=0;
				break;
			}else if(n!=a[i]){
			flag=1;
			}
		}
		if(flag==0){
			printf("Lucky Day\n");
		}else if(flag==1){
			printf("Bad Day\n");
		}
	}
	return 0;
}