using System;

namespace z6
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Write("a = ");
            double a = double.Parse(Console.ReadLine());
            Console.Write("b = ");
            double b = double.Parse(Console.ReadLine());
            Console.Write("c = ");
            double c = double.Parse(Console.ReadLine());
            //double res = a * b;
            Console.Write("(" + "{0:#.##}", a + " + ");
            Console.Write("{0:#.##}", b + ")" + " + ");
            Console.Write("{0:#.##}", c + " = ");
            Console.Write("{0:#.##}", a + " + (");
            Console.Write("{0:#.##}", b + " + ");
            Console.Write("{0:#.##}", c + ")");
            Console.ReadKey();
        }
    }
}