#include<bits/stdc++.h>
using namespace std;

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    string S,T;
    cin>>S>>T;
    for(string s:{"watermelon","beachball","shrinebell"})
    {
        if(s==S||s==T)continue;
        cout << s << endl;
    }
}