#include<stdio.h>
int a[100];
int main()
{
	int n;
	while(scanf("%d",&n)!=EOF)
	{
		if(n==0) break;
		if(FG(n)==0)
			 printf("Bad Day\n");
        else
            printf("Lucky Day\n");
	}
	return 0;
}
int FG(int n)
{
	int i;
	a[1]=1;a[2]=1;
	for(i=3;i<=50;i++)
    {
        a[i] = a[i-1] + a[i-2];
        if(a[i]==n)return 1;
        if(a[i]>n)break;
    }
	return 0;
}