Problem:
Rectangle

Write a program which calculates the area and perimeter of a given rectangle.

Input

The length a and breadth b of the rectangle are given in a line separated by a single space.

Output

Print the area and perimeter of the rectangle in a line. The two integers should be separated by a single space.

Constraints

1 ≤ a, b ≤ 100

Sample Input 1

3 5

Sample Output 1

15 16

Solution in C# (judge verdict: Wrong Answer)

using System;
using System.Collections.Generic;

namespace Internship
{
    class Program
    {
        static void Main(string[] args)
        {        
            Console.WriteLine("{0}*{1}={2}", 3, 5, 3 * 5);

            Console.WriteLine("[{0}+{1}]*2.0={2}",3,5,(3+5)*2);
        }

    }
}