using System;

class Program

{

    static void Main(string[] args)

    {

        var result = CalcExpression("5 +2 - 12 + 24-5");

        Console.WriteLine($"result1: {result}");

​

        result = CalcExpression("-6 +2 - 12 -24 +7");

        Console.WriteLine($"result2: {result}");

​

        Console.ReadLine();

    }

​

​

    public static int CalcExpression(string exp)

    {

​

​

    }

​

}