#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  char s[105];
  cin >> s;
  vector<int> a;
  string ans = "";
  int j, ct = 0;
  for (int i = 0; i <= n - 1;) {
    if (s[i] == 'o' && s[i + 1] == 'g' && s[i + 2] == 'o' && i <= n - 3) {
      ct = 0;
      for (j = i + 3; j < n - 1;) {
        if (s[j] == 'g' && s[j + 1] == 'o') {
          ct = 1;
          j = j + 2;
          i = j;
        } else {
          i = j;
          break;
        }
      }
      i = j;
      if (ct == 1) {
        ans += "***";
      } else {
        ans += "***";
      }
    } else {
      ans += s[i];
      i++;
    }
  }
  cout << ans << endl;
}
