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
}