# include<stdio.h>
int main(void){
	int n;
	while(scanf("%d",&n)!=EOF){
	if(n==2||n==3||n==5||n==8||n==13||n==21||n==34||n==55||n==89||n==144||n==233||n==377||n==610||n==987)
	printf("Lucky Day\n");
	else if(n==1597||n==2584||n==4181||n==6765||n==10946||n==17711||n==28657||n==46368||n==75025)
	printf("Lucky Day\n");
	else
	printf("Bad Day\n");
    }
}