#include<iostream>
#include<string>
#include<cstring>
#include<math.h>
#include<cstdio>
using namespace std;

 int djx(char a[1001]){
    int min=101,max=0,w[1000]={0};
	for(int i=0;i<strlen(a);i++){
		w[(int)a[i]]++;}
			for(int i=0;i<strlen(a);i++){
		if(w[(int)a[i]]>=max)max=w[(int)a[i]];
		if(w[(int)a[i]]<min)min=w[(int)a[i]];}
		return max-min;
		
		}
int main(){
	freopen("word.in","r",stdin);
	freopen("word.out","w",stdout);
	char a[1000];
	gets(a);
	int p=djx(a);
	bool lll[1000]={0};
    for(int i=2;i<=sqrt(p);i++)
    for(int j=1;j<=p/i;j++)
    lll[i*j]=true;
    if(lll[p]==true||p==0||p==1){
	cout<<"No Answer";
	cout<<endl<<0;
}
else{
	cout<<"Lucky Word"<<endl<<p;
}
	}