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