//初次尝试使用map，还望大佬多多指导
#include<bits/stdc++.h>
using namespace std;
char s1[260],s2[260];
map<char,bool>ch;
int tot;
char road;
signed main()
{
    ios::sync_with_stdio(false);
    cin>>s1>>s2;
    for(int i=0;i<strlen(s1);i++)
        for(int j=0;j<strlen(s2);j++)
            if(s1[i]==s2[j])
            {
                bool f=1;
                if(ch[s1[i]]==1)f=0;
                ch[s1[i]]=1,road=s1[i];
                if(f)tot++;
            }
    switch(tot)
    {
        case 0:cout<<"WuXiao"<<endl;break;
        case 1:cout<<"ZhiHui"<<endl<<road<<endl;break;
        default:
        {
            cout<<"XLuo"<<endl<<tot<<endl;
            for(char i='A';i<='Z';i++)
            {
                if(ch[i])cout<<i,tot--;
                if(tot&&ch[i])cout<<'-';
            }
            cout<<endl;
        }
    }
    return 0;
}