#include<string.h>
int main(void){
	int n,i,j,k,s1[100];
	s1[0]=1;
	s1[1]=1;
	for(i=2;i<26;i++){
		s1[i]=s1[i-1]+s1[i-2];
	}
	while(scanf("%d",&n)!=-1){
		j=0;
		for(i=2;i<26;i++){
			if(n==s1[i])
				j=1;
		}
		if(j==1)
			printf("Lucky Day\n");
		else
			printf("Bad Day\n");}}