using System;

public class Program

{

    public static void Main()

    {

        //Declarar variables

        int a = 18, b = 8, c = 26;

        Console.WriteLine(2*a - 5*b); //-4

        Console.WriteLine(4*c - 5*a*b + 10); //-606

        Console.WriteLine(a*b*c); //3744

        Console.WriteLine(a + b + c); //52

        Console.WriteLine(-4 / -606); //0

        Console.WriteLine(3744 / 52); //72

        Console.WriteLine(0 <= 72); //true

    }

}