using System;

public class Program

{

    public static void Main()

    {

        int a,b;

        double c,d;

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

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

        c = double.Parse(Console.ReadLine());

            d = a + c;

        Console.WriteLine("d = " + d);

        d = b * c;

        Console.WriteLine("d = " + d);

        d = b / a;

        Console.WriteLine("d = " + d);

        a = b / a;

        Console.WriteLine("a = " +a);

    }

}