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