#include <bits/stdc++.h>
using namespace std;
char s1[300], s2[300];
int a[150], b[150]; bool v[150];
int main()
{
    scanf("%s%s", s1 + 1, s2 + 1);
    int len1 = strlen(s1 + 1), len2 = strlen(s2 + 1);
    memset(a, 0, sizeof(a)); memset(b, 0, sizeof(b));
    for(int i = 1; i <= len1; i++) a[s1[i]]++;
    for(int i = 1; i <= len2; i++) b[s2[i]]++;
    memset(v, 0, sizeof(v));
    int ans = 0;
    for(int i = 'A'; i <= 'Z'; i++) if(a[i] && b[i]) ans++, v[i] = 1;
    if(ans == 0) printf("WuXiao\n");
    else if(ans == 1)
    {
        printf("ZhiHui\n");
        for(int i = 'A'; i <= 'Z'; i++) if(v[i]) printf("%c\n", i);
    }
    else 
    {
        printf("XLuo\n");
        printf("%d\n", ans); int p = 0;
        for(int i = 'A'; i <= 'Z'; i++) if(v[i])
        {
            p++;
            if(p < ans) printf("%c-", i); else printf("%c\n", i);
        }
    }
    return 0;
}