#include<stdio.h>
#include<math.h>
#include<string.h>
int x[1000];
int main() {
	int i;
	x[0]=1;
	x[1]=1;
	for (i=2; i<26; i++) {
		x[i]=x[i-1]+x[i-2];
	}
	int n;
	while (scanf("%d",&n)!=	EOF) {
		for (i=1; i<26; i++) {
			if (n==x[i]) {
				printf("Lucky Day\n");
				break;
			}
		}
		if (i==26)
			printf("Bad Day\n");
	}
}