#include<stdio.h>
int main()
{
	int f[26];
	int n;
	int i,j;
	int a[100010]={0};
	f[0]=1;f[1]=1;
	for(i=2;i<25;i++)
		{
			f[i]=f[i-1]+f[i-2];
	        a[f[i]]=1;
	    }

	while(scanf("%d",&n)!=EOF)
	{
	
		if(a[n])
			printf("Lucky Day\n");
		else
		printf("Bad Day\n");
	
	}

}