package Programming_Fundamentals.L9_Text_Processing.Text_Processing_Exercises;

import java.util.Scanner;

public class E07StringExplosion {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String word = sc.nextLine();
        StringBuilder result = new StringBuilder();
        int skip = 0;

        for (int i = 0; i < word.length(); i++) {
            char ch = word.charAt(i);

            if (ch == 62) {
                result.append(ch);
                skip += Character.getNumericValue(word.charAt(i + 1));

            } else if (skip == 0) {
                result.append(ch);

            } else {
                skip--;
            }
        }

        System.out.println(result.toString());
    }
}