#include<stdio.h>
int main(){
	int n,i,f;
	int A[1000];
	A[0]=2;
	A[1]=3;
	for(i=2;i<1000;++i){
		A[i]=A[i-1]+A[i-2];

	}
	while(scanf("%d",&n)!=EOF){
		f=1;
		for(i=0;i<1000;++i){
			if(n==A[i])
			{
				f=0;
				break;
			}
		}
		if(f)
			printf("Bad Day\n");
		else
			printf("Lucky Day\n");
	}
	return 0;
}