#include<bits/stdc++.h>
using namespace std;
int main()
{
	int l[26],maxn,minn,x,d;
	string a;
	cin>>a;
	for(int i=0;i<26;i++)
	{
		l[i]=0;
	}
	for(int i=0;i<a.size();i++)
	{
		l[a[i]-'a']++;
	}
	maxn=0,minn=101;
	for(int i=0;i<26;i++)
	{
		if(l[i]==0) continue;
		if(l[i]>maxn) maxn=l[i];
		else if(l[i]<minn) minn=l[i];
	}
	x=maxn-minn;
	if(x==0) d=1;
	for(int i=2;i<x;i++)
	{
		if(x%i==0) d=1;
	}
	if(d==1) cout<<"No Answer"<<endl<<'0';
	else cout<<"Lucky Word"<<endl<<x;
}