#include<cstdio>
#include<iostream>
#include<cstring>
using namespace std;
int main(){
	char a[101];
	int maxn=0,minn=101,ss,n[10001]={0},x=0;
	freopen("word.in","r",stdin);
	freopen("word.out","w",stdout);
	gets(a);
	ss=strlen(a);
	for(int i=0;i<ss;i++){
		n[a[i]]+=1;
		if(x<a[i])x=a[i];
	}
	for(int i=1;i<=x;i++)
		if(n[i]!=0){
			if(maxn<n[i])maxn=n[i];
			if(minn>n[i])minn=n[i];
		}
	int z=maxn-minn;
	if(z==1||z==0){
		cout<<"No Answer\n0";
		return 0;
	}
	for(int i=2;i<z;i++)
		if(z%i==0){
			cout<<"No Answer\n0";
			return 0;
		}
	cout<<"Lucky Word\n"<<z;
}