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[] vs = Console.ReadLine().Split(' ');
			int a = int.Parse(vs[0]);
			int b = int.Parse(vs[1]);

			Console.WriteLine($"{a * b} {a * 2 + b * 2}");
		}
	}
}