#include<stdio.h>
int main(){
int a[5000],i,n,m;

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


}