using System;

public class Program

{

    public static void Main()

    {

        int x,a,b ; 

        Console.WriteLine("type 1 number into each one of them");

        Console.Write("x = ");

        x = int.Parse(Console.ReadLine());

        Console.Write("a = ");

        a = int.Parse(Console.ReadLine());

        Console.Write("b = ");

        b = int.Parse(Console.ReadLine());

        Console.Write("y = ");

        Console.WriteLine(x*a+b);

    }

}