#include<stdio.h>
int main(){
	int fib[10001];
	int i,n,sum,flag;
	fib[0]=1;
	fib[1]=2;
	sum=2;
	for(i=2;fib[i-1]<100000;i++){
		fib[i]=fib[i-1]+fib[i-2];
		sum++;
	}
		while(scanf("%d",&n)!=EOF){
			flag=0;
			for(i=0;fib[i]<=n;i++){
				if(fib[i]==n){
					flag=1;
					break;
				}
			}
				if(flag==1)
					printf("Lucky Day\n");
				else
					printf("Bad Day\n");
			
		
	}
}