/*
https://yukicoder.me/problems/no/725
*/
#include<bits/stdc++.h>

using namespace std;
using ll=long long;
#define rep2(i, a, n) for(int i = (a); i < (n); i++)
#define rep(i, n) rep2(i,0,n)

int main(){
  cin.tie(nullptr);ios_base::sync_with_stdio(false);
  string s;cin>>s;
  s.replace(s.begin(),s.end(),"treeone","forest");
  cout<<s<<endl;
}