#include <stdio.h>
#include <math.h>
#include <string.h>

int main() {
	int a = 1,b = 1,sum = 2,o = 0;
	int n;
	
	while (scanf("%d",&n) != EOF) {
	
		while (sum <= n) {
			sum = a + b;
			a = b;
			b = sum;
		//	printf("%d ",sum);
			if (sum == n) {
				printf("Lucky Day\n");
				o = 1;
				break;
			}
		}
		if (o == 0) {
			printf("Bad Day\n");
		}
		o = 0;
		sum = 2;
		a = 1;
		b = 1;
	}
    return 0;
}