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.Linq;

namespace AizuOnlineJudgement.ITP1_1_C
{
	public static class Program
	{
		public static void Main (string[] args)
		{
			var ab = Console.ReadLine ().Split (' ').Select (n => int.Parse (n)).ToArray ();
			Console.WriteLine ((ab[0] * ab[1]) + " " + (ab[0] * 2 + ab[1] * 2));
		}
	}
}