#include<iostream>
#include<map>
#include<math.h>
#include<algorithm>
#include<string.h>
using namespace std;
map<char,int>m;
int main(){
    int maxx=-999999,minn=999999;
    char a[101];
    cin>>a;
    int l=strlen(a);
    for(int i=0;i<l;i++){
        m[a[i]]++;
        maxx=max(maxx,m[a[i]]);
        //minn=min(minn,m[a[i]]);
    }
    for(int i=0;i<l;i++){
        minn=min(minn,m[a[i]]);
    }
    //cout<<maxx<<' '<<minn<<endl;
    maxx-=minn;
   // cout<<maxx<<endl;
    if(maxx==0||maxx==1){
        cout<<"No Answer"<<endl;
            cout<<0;
            return 0;
    }
    for(int i=2;i<=sqrt(maxx);i++){
        if(maxx%i==0){
            cout<<"No Answer"<<endl;
            cout<<0;
            return 0;
        }
    }
    cout<<"Lucky Word"<<endl;
    cout<<maxx;
    return 0;
}