#include<stdio.h>
int main(){
	int n;
	while(scanf("%d",&n)!=EOF){
	int f,f1,f2,i;
	f1=1,f2=2,f=f1+f2;
	for(i=3;i<n;i++){
		f1=f2;
		f2=f;
		f=f1+f2;
		if(f>=n)
			break;
	}
	if(f==n||n==2)
		printf("Lucky Day\n");
	else
		printf("Bad Day\n");
	}
	return 0;
}