#include<stdio.h>
int main()
{
	 int n;
	  while(scanf("%d",&n)!=EOF)
	 {
		 int fib[100];
	fib[0]=1;
	fib[1]=2;
	 int i;
	  for(i=2;i<100;i++)
		  fib[i]=fib[i-1]+fib[i-2];
	 
		    for(i=0;i<100;i++)
	  if(fib[i]==n)
		  break;
			if(i<100)
				printf("Lucky Day\n");
		   
	   else
		   
			printf("Bad Day\n");
		 }
	  
	return 0;
}