#include<stdio.h>
#include<string.h>
int main(){
	int i,n,fib[29];
	fib[1]=1;
	fib[2]=2;
	for(i=3;i<=28;++i)
		fib[i]=fib[i-1]+fib[i-2];
	while(scanf("%d",&n)!=EOF){
	for(i=1;i<=28;++i)
		if(n==fib[i])
			break;
	if(i==29)
		printf("Bad Day\n");
	else
		printf("Lucky Day\n");
	}
}