#include <stdio.h>

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