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;
using System.Collections.Generic;

public class AOJ
{
    public static void Main()
    {
        var line = Console.ReadLine().Trim().Split(' ').Select(s => int.Parse(s)).ToArray();
        int a = line[0];
        int b = line[1];
        int c = a*b;
        int d = 2*a + 2*b;
        Console.WriteLine(c+" "+d);
    }
}