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 AOJ
{
	class Program
	{
		public static void Main(string[] args)
		{
			var a = Console.ReadLine().Split(' ').Select(x=>int.Parse(x)).ToList();
			Console.WriteLine("{0} {1}",a[0]*a[1],(a[0]+a[1])*2);
		}
	}
}