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 JAVA (judge verdict: Accepted)

import java.util.Scanner; // ?????¨?????????????????????

public class Main {
    public static void main(String[] args) {
        // ?????????????????\?????????????????¨?????? sc ??????????????? (???????????????????????????????????????????????°???????????????).
        Scanner sc = new Scanner(System.in);

        // ????????? sc ?????? int ?????? 1 ?????\???????????????.
        int a = sc.nextInt();
        int b = sc.nextInt();
        System.out.println((a * b) + " " + 2 * (a + b));
    }
}