#include<stdio.h>
int main() {
	int n,i;
	while(scanf("%d",&n) != EOF) {
		int a[100001];
		int check = 0;
		a[0] = 1;
		a[1] = 1;
		for(i = 2;i<25;i++) {
			a[i] = a[i-1] + a[i-2];
			if(a[i] == n) {
				check = 1;
				break;
			}
		}
		if(check == 1) {
			printf("Lucky Day\n");
		} else {
			printf("Bad Day\n");
		}
	}
	return 0;
}