#include <bits/stdc++.h>

using namespace std;

vector<string> G[101];

int main(void) {
  string s;
  cin >> s;

  int sz = s.size();
  int l = 0, r = 0;
  while (l < sz && s.substr(l, 3) == "ｗ") l += 3, r += 3;
  while (l < sz) {
    string t = "";
    while (l < sz && s.substr(l, 3) != "ｗ") t += s.substr(l, 3), l += 3, r += 3;    
    while (r < sz && s.substr(r, 3) == "ｗ") r += 3;
    G[(r - l) / 3].push_back(t);
    l = r;
  }

  bool flag = true;
  for (int i = 100; i > 0; i--) {
    if (!G[i].size()) continue;
    for (int j = 0; j < G[i].size(); j++) {
      cout << G[i][j] << endl;
    }
    flag = false;
    break;
  }
  if (flag) cout << "" << endl;

  return 0;
}