import java.util.Scanner;
import java.lang.Math;
import java.lang.StringBuilder;
import java.util.regex.Pattern;
import java.util.Arrays;


    public class Main {
        public static void main(String[] args) {
            Scanner sc = new Scanner(System.in);
  
            String s = sc.nextLine();
            System.out.println(s.replace("treeone","forest"));
        }
    }