using System;

public class Program

{

    public static void Main()

    {

    int var1, var2 = 5, var3 = 6;

    var1 = var2++ * --var3;

    Console.WriteLine(var1);

    //the order

    int a = 2 + 2 * 2;

    Console.WriteLine(a); //output: 6

    //more on the order 

    a = 13 / 5 / 2; 

    int b = 13 / (5 / 2);

    Console.WriteLine("a =00" + a +", b = " +b);

    }

    }