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: Wrong Answer)

import java.io.*;
import java.util.Scanner;

public class Main{
	public static void main(String[] args) throws IOException{	
		
		 Scanner cthanh = new Scanner(System.in);
        int x;
		int y;
		x= cthanh.nextInt();
		y= cthanh.nextInt();
        System.out.println( x * y );
        System.out.println( x + x + y +y );
		
	}
}