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;
using System.Text;

namespace ITP1_1C
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] StrNum = Console.ReadLine().Split(' ');
            int area = int.Parse(StrNum[0]) * int.Parse(StrNum[1]);
            int circuit = (int.Parse(StrNum[0]) + int.Parse(StrNum[1])) * 2;
            Console.WriteLine(area.ToString("G") + " " + circuit.ToString("G"));
        }
    }
}