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 Kotlin (judge verdict: Accepted)

import java.util.Scanner

fun main(args: Array<String>) {
    val reader = Scanner(System.`in`)
    
    val a = reader.nextInt()
    val b = reader.nextInt()

    println("${a * b} ${a * 2 + b * 2}")
}