#include<stdio.h>
 
int main()
{
   int a[100001];
   int n,i,flag;
   a[0]=2;a[1]=3;a[2]=5;
   for(i=3;i<100001;i++)
	   a[i]=a[i-1]+a[i-2];
   while(scanf("%d",&n)!=EOF){
	   flag=0;
	   for(i=0;a[i]<=n;i++){
	      if(a[i]==n)
			  {flag=1;break;}
	   }
	   if(flag)
		   printf("Lucky Day\n");
	   else
		   printf("Bad Day\n");

   }
   return 0;
}