using System;

public class Program

{

    public static void Main()

    {

        Console.Write("Input a number: ");

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

        Console.Write("Another: ");

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

        Console.Write("And another one: ");

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

        Console.WriteLine("a+b={0} a*b={1} a-b={2} a/b={3} c+b={4} c*b={5} c-b={6} c/b={7} a+c={8} a*c={9} a-c={10} a/c={11}", a+b, a*b, a-b, (double) a/b, c+b, c*b, c-b, (double) c/b, a+c, a*c, a-c, (double) a/c);

    }

}