#include<bits/stdc++.h>
using namespace std;
char a[100]={0};
long long b[26]={0},c;
int d=2;
int zs(int w)
{  
    int fl=1;
    for(int i=2;i*i<=w;i++)
        if(w%i==0) fl=0;
    if(fl==0)
        return 0;
    else
        return 1;
}
inline int cc(){
	freopen("word.in","r",stdin);
	freopen("word.out","w",stdout);
	for(long long i=0;i<100;i++){
		cin>>a[i];
		for(long long y=0;y<26;y++){
			if(a[i]=='a'+y){
				b[y]++;
			}
		}
	}
	sort(b+0,b+26);
	for(long long i=25;i>=0;i--){
		if(b[i]==0){
			b[i]=b[i+1];
		}
	}
	c=b[25]-b[0];
	if(zs(c)==1&&c!=1&&c!=0)
	{
		cout<<"Lucky"<<' '<<"Word"<<endl;
		cout<<c;
	}
	else
		cout<<"No"<<' '<<"Answer"<<endl<<'0';
	return 0;
	}
int aa=cc();
int main(){;}