#include <iostream>
#include<cstring>
#include<algorithm>
using namespace std;
char b[101];
int a[26];
int main(){
	string b;
	int n;
	memset(a,0,sizeof(a));
	cin>>b;
	for(int i=0;i<=b.size()-1;++i){
	    a[b[i]-'a']++;
	} 
	sort(a,a+26);
	n=a[25]-1;
	if(n==0||n==1){
		cout<<"No Answer"<<endl<<n;
	}
	if(n==2){
		cout<<"Lucky Word"<<endl<<n;
	}
	for(int i=2;i<=n-1;i++){
		if(n%i==0){
			cout<<"No Answer"<<endl<<n;
		}else
		cout<<"Lucky Word"<<endl<<n;
	}
	return 0;
}