import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;
import java.util.StringTokenizer;

public class P3 {

    static String input = "foss<<rritun";

    public static void read() {
        Scanner s = new Scanner(System.in);
        input = s.next();
        s.close();
    }

    public static void solve() {
        int char_index = 0, index = 0;
        char[] array = new char[input.length()];

        while (index < input.length()) {
            int count = 0;
            while (index < input.length() && input.charAt(index) == '<') {
                count++;
                index++;
            }
            if (index == input.length()) {
                char_index -= count;
                array[char_index] = '\0';
                System.out.println(array);
                return;
            }
            char_index -= count;
            array[char_index] = input.charAt(index);
            index++;
            char_index++;
        }
        array[char_index] = '\0';
        System.out.println(array);
    }

    public static void main(String args[]) {
        // read();
        solve();
    }
}