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