#include<bits/stdc++.h>
int a[100];
char b[200];
int main(){
	scanf("%s",b);
	int len=strlen(b);
	int maxn=0,minn=1000;
	for(int i=0;i<len;i++){
		a[b[i]-'a']++;
		if(maxn<a[b[i]-'a'])maxn=a[b[i]-'a'];
		if(minn>a[b[i]-'a'])minn=a[b[i]-'a'];
	}
	int s=maxn-minn;
	int sum=0;
	for(int i=1;i<=s;i++){
		if(s%i==0)sum++;
		if(sum==2) printf("Lucky Word \n%d",s);
		else printf("No Answer\n0");
	}
}