#include<stdio.h>
int a[25]={1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,1597,2584,4181,6765,10946,17711,28657,46368,75025,121393};
int main(){
	int n,i; 
	while(scanf("%d",&n)!=EOF){
		for(i=0;i<25;i++){
			if(a[i]==n){
				printf("Lucky Day\n");
				break; 
			}
		}
		if(i==25) printf("Bad Day\n"); 
	} 
}