using System;

public class Program

{

    public static void Main()

    {

        //Declaramos las variables 

        int a = 5, b = 4; 

        //Realizamos calculos aritmeticos

        Console.WriteLine(a + b);// 9

        Console.WriteLine(a + (b++)); // 9

        Console.WriteLine(a + b);       // 10

        Console.WriteLine(a + (++b));   // 11

        Console.WriteLine(a + b);       // 11

        Console.WriteLine(14 / a);      // 2

        Console.WriteLine(14 % a);      // 4

    }

}