#include <bits/stdc++.h>

#define elif else if
#define ll long long
#define vll vector<long long>
#define vec vector
#define embk emplace_back
#define rep(i, n) for (ll i = 0; i < n; i++)
#define rep3(i, n, k) for (ll i = k; i < n; i++)
#define all(a) a.begin(), a.end()
#define YNeos(bool) (bool ? "Yes" : "No")
#define vllin(a, n) vll a(n); rep(i, n) cin >> a[i]
#define vchin(a, n) vec<char> a(n); rep(i, n) cin >> a[i]


using namespace std;
const ll INF = 1LL << 60;
const ll mod = 998244353;
//const ll mod = 1000000007;
const double pi = acos(-1);

#ifdef ATCODER
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
#endif

//Prototype declaration
template <class T, class... U> void gin(T&&, U&&...);
template <typename T> vector<T> read(ll);
template <typename T> void printvec(const T&);
template <class T, class... U> void printany(T&&, U&&...);

//Main Program
int main() {
  string s, t; gin(s, t);
  vec<string> u = {"watermelon", "beachball", "shrinebell"};

  rep(i, 3) {
    if (u[i] != s && u[i] != t) cout << u[i] << endl;
  }

}


//Function Definition
void gin() {return;}
template <class T, class... U> void gin(T&& now,  U&&... next) {
  cin >> now;
  gin(forward<U> (next)...);
}

template <typename T> vector<T> read(ll n) {
  vector<T> v(n);
  for (int i = 0; i < n; i++) cin >> v[i];
  return v;
}

template <typename T> void printvec(const T& a) {
  for (int i = 0; i < a.size(); i++) {
    cout << a[i];
    if (i == a.size() - 1) cout << endl;
    else cout << ' ';
  }
}

void printany() {cout << endl;}
template <class T, class... U> void printany(T&& now, U&&... next) {
  cout << now << ' ';
  printany(forward<U> (next)...);
}