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| #include<iostream>
#include<string>
#include<cmath>
using namespace std;
int maxn,minn=1e9,x;
int a[26];bool flag;
int main(){
string s;cin>>s;
int len=s.length();
for(int i=0;i<len;i++){
a[s[i]-'a']++;
}
for(int i=0;i<=25;i++)
{
if(a[i]!=0&&a[i]>maxn)
{
maxn=a[i];
}
if(a[i]!=0&&a[i]<minn)
{
minn=a[i];
}
}
int ans=maxn-minn;
if(ans==0||ans==1)
{
cout<<"No Answer"<<endl;
cout<<0<<endl;return 0;
}
for(int i=2;i<=sqrt(ans);i++)
{
if(ans%i==0)
{
flag=1;break;
}
}
if(flag==0)
{
cout<<"Lucky Word"<<endl;
cout<<ans<<endl;
}
return 0;
}
|