#include<stdio.h>
#include<string.h>
#include<math.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");
		}
		return 0;
}