using System;

public class Program

{

    public static void Main()

    {

        int num1 = 10;

        int num2 = 2;

        int sum = num1 + num2;

        int resta = num1 - num2;

        int mult = num1 * num2;

        int div = num1 / num2;

        Console.WriteLine("suma: " + sum);

        Console.WriteLine("resta: " + resta);

        Console.WriteLine("multiplicacion: " + mult);

        Console.WriteLine("division: " + div);

    }

}