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 scan = Scanner(System.`in`)
  val input1 = scan.nextInt()
  val input2 = scan.nextInt()
  val 面積 = input1 * input2
  val 週の長さ = (input1 * 2) + (input2 * 2)
  println("$面積 $週の長さ")
}