#include <stdio.h>
#include <string.h>
#include<stdbool.h>
int f[50],n;
bool find();
int main(){
f[0]=2;
f[1]=3;
for(int i=2;i<24;i++){
f[i]=f[i-1]+f[i-2];
}
while(scanf("%d",&n)!=EOF){
if(find()) printf("Lucky Day\n");
else printf("Bad Day\n");
}
return 0;
}
bool find(){
int l=0,r=23,mid;
while(l<=r){
mid=(l+r)>>1;
if(n==f[mid]) return true;
else if(n<f[mid]) r=mid-1;
else l=mid+1;
}
return false;
}