calculator

using System;
using System.Collections.Generic;

namespace calc
{
    internal class Program
    {
        public static void Main(string[] args)
        {
            List<int> numbers = new List<int>();
            List<char> operations = new List<char>();
            int counter = 0;
            int result;
            while (true)
            {
                int number = Int32.Parse(Console.ReadLine());
                numbers.Add(number);
                char operation = Convert.ToChar(Console.ReadLine());
                operations.Add(operation);
                if (operation=='=')
                {
                    result = numbers[0];

                        for (int i = 0; i < numbers.Count; i++)
                        {
                            switch (operations[i])
                            {
                                case '+':
                                    result += numbers[i + 1];
                                    break;
                                case '-':
                                    result -= numbers[i + 1];
                                    break;
                                case '*':
                                    result *= numbers[i + 1];
                                    break;
                                case '/':
                                    result /= numbers[i + 1];
                                    break;
                            }

                        }



                    Console.WriteLine(result);
                    break;

                }

            }
        }
    }
}