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;
namespace ITP1_1_C {
	class Program {
		static void Main(string[] args) {
			string[] s = Console.ReadLine().Split();
			int a = int.Parse(s[0]), b = int.Parse(s[1]);
			Console.WriteLine((a * b) + " " + (2 * a + 2 * b));
        }
    }
}