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