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 program
{
public static int Main()
{
string str = Console.ReadLine();
var a = int.Parse(str.Split(' ')[0]);
var b = int.Parse(str.Split(' ')[1]);
Console.WriteLine("{0} {1}",a*b,a*2+b*2);
return 0;
}
}