#include<stdio.h>
#include<stdio.h>
long long a[100];
int main(){
int i,j,ok;
long long m;
a[1]=a[2]=1;
for(i=3;i<=100;i++)
	a[i]=a[i-1]+a[i-2];
while(scanf("%lld",&m)!=EOF){
ok=1;
for(i=2;i<=92&&m<=a[92];i++)
if(a[i]==m)
{
	ok=0;
	printf("Lucky Day\n");
	break;
}
if(ok)
	printf("Bad Day\n");
}
return 0;
}