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 tes
{
    class Program
    {
        public static void Main()
        {
            String str = Console.ReadLine();
            String[] num = str.Split(' ');
            Console.WriteLine((int.Parse(num[0]) * int.Parse(num[1])) +" "+ (2 *(int.Parse(num[0]) + int.Parse(num[1]))));
            Console.ReadLine();
        }
    }
}