Chore Wars

using System;
using System.Text.RegularExpressions;

namespace ChoreWars
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();

            int sumDIshes = 0;
            int sumCleaning = 0;
            int sumLaundry = 0;
            int sumAll = 0;

            while (input != "wife is happy")
            {
                if (input.Contains("<") && input.Contains(">"))
                {
                    int indexStart = input.LastIndexOf("<");
                    int indexEnd = input.IndexOf(">");
                    bool isValid = false;
                    for (int i = indexStart+1; i < indexEnd; i++)
                    {
                        if (char.IsLower(input[i]) || char.IsDigit(input[i]))
                        {
                            isValid = true;
                        }
                        else
                        {
                            isValid = false;
                            i = indexEnd;
                        }
                    }

                    if (indexStart > indexEnd)
                    {
                        for (int i = 0; i < indexEnd; i++)
                        {
                            if (input[i] == '<')
                            {
                                indexStart = i;
                            }
                        }
                    }

                    if (isValid)
                    {
                        for (int i = indexStart + 1; i < indexEnd; i++)
                        {
                            char symbol = input[i];
                            if (char.IsDigit(symbol) )
                            {
                                int digit = int.Parse(symbol.ToString());
                                sumDIshes += digit;
                            }
                        }
                    }

                }
                else if (input.Contains("[") && input.Contains("]"))
                {
                    int indexStart = input.LastIndexOf("[");
                    int indexEnd = input.IndexOf("]");
                    bool isValid = false;

                    for (int i = indexStart + 1; i < indexEnd; i++)
                    {
                        if (char.IsUpper(input[i]) || char.IsDigit(input[i]))
                        {
                            isValid = true;
                        }
                        else if (input[i] == '[')
                        {
                            indexStart = i;
                        }
                        else
                        {
                            isValid = false;
                            i = indexEnd;
                        }
                    }

                    if (indexStart > indexEnd)
                    {
                        for (int i = 0; i < indexEnd; i++)
                        {
                            if (input[i] == '[')
                            {
                                indexStart = i;
                            }
                        }
                    }

                    if (isValid)
                    {
                        for (int i = indexStart + 1; i < indexEnd; i++)
                        {
                            char symbol = input[i];
                            if (char.IsDigit(symbol))
                            {
                                int digit = int.Parse(symbol.ToString());
                                sumCleaning += digit;
                            }
                        }
                    }

                }
                else if (input.Contains("{") && input.Contains("}"))
                {
                    int indexStart = input.LastIndexOf("{");
                    int indexEnd = input.IndexOf("}");

                    if (indexStart > indexEnd)
                    {
                        for (int i = 0; i < indexEnd; i++)
                        {
                            if (input[i] == '{')
                            {
                                indexStart = i;
                            }
                        }
                    }

                    for (int i = indexStart + 1; i < indexEnd; i++)
                    {
                        char symbol = input[i];
                        if (char.IsDigit(symbol))
                        {
                            int digit = int.Parse(symbol.ToString());
                            sumLaundry += digit;
                        }
                    }
                }

                input = Console.ReadLine();

            }

            sumAll = sumDIshes + sumCleaning + sumLaundry;

            Console.WriteLine($"Doing the dishes - {sumDIshes} min.");
            Console.WriteLine($"Cleaning the house - {sumCleaning} min.");
            Console.WriteLine($"Doing the laundry - {sumLaundry} min.");
            Console.WriteLine($"Total - {sumAll} min.");
        }
    }
}