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;

class C
{
	static void Main()
	{
		var h = Array.ConvertAll(Console.ReadLine().Split(), int.Parse);
		Console.WriteLine($"{h[0] * h[1]} {2 * (h[0] + h[1])}");
	}
}