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: Accepted)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            /*
            foreach(var i in Enumerable.Range(0, 10))
            {

            }*/
            /*
            var a =int.Parse(Console.ReadLine());
            Console.WriteLine(a * a * a);
            */
            /*
            var a = new int[100];
            a[0] = 3;
            Console.WriteLine(a[0]);
            */
            /*
            var ab = Console.ReadLine().Split().Select(int.Parse).ToArray();
            var a = ab[0];
            var b = ab[1];
            Console.WriteLine("{0} {1}",a,b);
            */
            var c = Console.ReadLine().Split().Select(int.Parse).ToArray();
            var a = c[0];
            var b = c[1];
            var x = (a * b);
            var y = (a * 2 + b * 2);
            Console.WriteLine("{0} {1}", x, y);
        }
    }
}