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 ITP1_1_C{
  static void Main(string[] args){
    string[] input = Console.ReadLine().Split(' ');
    int a = int.Parse(input[0]);
    int b = int.Parse(input[1]);
    Console.WriteLine("{0} {1}", a*b, a*2 + b*2);
  }
}