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 p = Array.ConvertAll(Console.ReadLine().Split(), int.Parse);
        Console.WriteLine($"{p[0] * p[1]} {2 * (p[0] + p[1])}");
    }
}