#include<stdio.h>
#include<string.h>
#include<math.h>
int main(){
	int n,x,i;
	int fib[10000];
	fib[0]=2;
	fib[1]=3;
	for(i=2; i<45; i++)
       fib[i]=fib[i-1]+fib[i-2];
	while(scanf("%d",&n)!=EOF){
		x=0;
		for(i=0;i<45;i++){
			if(fib[i]==n){
				printf("Lucky Day\n");
				x=1;
				break;
			}
		}
			if(x==0)
				printf("Bad Day\n");
	}
	return 0;
}