#include<stdio.h>
int main()
{
	int m, n;
	int flag;
	int ah[25]={1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,1597,2584,4181,6765,10946,17711,28657,46368,75025};
	while(scanf("%d", &m)!=EOF)
	{
		flag=0;
		for(n=1;n<25;n++)
		{
			if(m==ah[n])
			{
				printf("Lucky Day\n");
				flag=1;
				break;
			}
		}
		if(flag==0)
			printf("Bad Day\n");
	}
}