#include<stdio.h>
int main () {
	int shu[1000];
	shu[0]=2;
	shu[1]=3;
	int i;
	for (i=2;i<1000;i++) {
		shu[i]=shu[i-1]+shu[i-2];
	}
	
	int n;
	int j=0;
	while (scanf("%d",&n) != EOF ) {
		for (i=0;i<1000;i++) {
			if (n == shu[i]) {
				j++;
			}
		}
		
		if (j==0) {
			printf("Bad Day\n");
		} else {
			printf("Lucky Day\n");
			j=0;
		}
		
	}
}