import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String str = sc.nextLine();
		
		StringBuilder sb = new StringBuilder(str);
		try {
			sb = sb.replace(sb.indexOf("treeone"), sb.indexOf("treeone") + 7, "forest");
		} catch(StringIndexOutOfBoundsException e) {
			System.out.println(str);
		}
		
		System.out.println(sb.toString());
		sc.close();
	}
}