#include<stdio.h>
int main(){
	int f[50],i,n;
	f[0]=1;
	f[1]=2;
	for(i=2;i<50;++i)
	   f[i]=f[i-1]+f[i-2];
	while(scanf("%d",&n)!=EOF){
		for(i=0;i<50;++i){
			if(n==f[i]) break;
			else if(n>f[i]) continue;
		}
		if(i<50) printf("Lucky Day\n");
		else printf("Bad Day\n");
	}
}