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;

class Program
{
    static void Main(string[] args)
    {
        short[] l = Console.ReadLine().Split(' ').Select(x => short.Parse(x)).ToArray();
        Console.WriteLine(l[0] * l[1] + " " + (l[0] * 2 + l[1] * 2));
    }
}