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