#include<stdio.h>
int fib[105];
int main(){
	int n;
	int flag;
	fib[1]=1;
	fib[2]=2;
	for(int i=3;i<=100;i++){
		fib[i]=fib[i-1]+fib[i-2];
	}
	while(scanf("%d",&n)!=EOF){
		flag=0;
		for(int i=1;i<=100;i++){
			if(n==fib[i]){
				flag=1;
				break;
			}

		}
		if(flag)
			printf("Lucky Day\n");
		else
			printf("Bad Day\n");
	}

	return 0;
}