Strinf Explozien

using System;

namespace String_Explosion
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            int strength = 0;
            int i = 0;
            int lengthOfString = input.Length;
            while (i < lengthOfString)
            {
                if (input[i] == '>')
                {
                    strength = int.Parse(input[i + 1].ToString());

                    if (strength == 1)
                    {
                        input.Remove(i + 1);
                        i++;
                    }
                    else
                    {
                        for (int j = 0; j < i + strength; j++)
                        {
                            if (input[j] != '>')
                            {
                                input.Remove(j);
                            }
                            else
                            {
                                i += j;
                            }
                        }
                    }
                }
                else
                {
                    i++;
                }
            }

            Console.WriteLine(input);

        }
    }
}