JF-TextProcessing-Exercise-07.StringExplosion

package com.company;

import java.util.Scanner;

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

        String text = sc.nextLine();
        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < text.length(); i++) {
            char symbol = text.charAt(i);
            sb.append(symbol);

            if (symbol == '>') {
                i++;
                int power = text.charAt(i) - '0';
                int j = i;
                while (j < i + power && j < text.length()) {

                    if (text.charAt(j) == '>') {
                        sb.append('>');

                        power += (text.charAt(j) - '0');
                    }
                    j++;
                }
            i = j - 1;
            }
        }
        System.out.println(sb.toString());

    }
}