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;
using System.Threading.Tasks;

namespace AOJ1_1_C
{
    class Program
    {
        static void Main(string[] args)
        {
            int a;
            int b;
            int S;
            int P;

            string[] str =Console.ReadLine().Split(' ');
            a=int.Parse(str[0]);//" "の手前
            b=int.Parse(str[1]);//" "の後
            
            S = a * b;
            P = (a + b) * 2;
            Console.WriteLine(S + " " + P);
        }
        //string[] str = Console.ReadLine().Split(' ');
        ////String.SplitメソッドとはStringクラスメソッドの一つで、文字列を指定した区切り文字で分割し配列に格納する場合に使う

        //int a = int.Parse(str[0]);
        //int b = int.Parse(str[1]);

        //Console.WriteLine(a* b + " " + (a + b) * 2);
    }
}