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: WA: Presentation Error)

import java.util.Scanner;
class Main{
public static void main (String[] args){
Scanner scan = new Scanner(System.in);
int a=scan.nextInt();
int b=scan.nextInt();
System.out.println(a*b+'\t'+2*(a+b));
}
}