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.Collections.Generic;
using System.Linq;
 
namespace at
{
    class Program
    {
        static void Main(string[] args)
        {
            var x = Console.ReadLine().Split(' ');
            Console.Write(int.Parse(x[0])*int.Parse(x[1])+" ");
            Console.WriteLine((int.Parse(x[0])+int.Parse(x[1]))*2);
        }
    }
}