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 void solve(){
		Scanner sc = new Scanner(System.in);
       int a, b, c, d;
       	   a = sc.nextInt();
		   b = sc.nextInt();
		   c = a * b;
		   d = (a * 2) + ( b * 2);
		  System.out.print(c+"\t"+d);
		  System.out.println();
    }
		   
	   
    public static void main(String[] args){
        Main obj = new Main();
        obj.solve();
    }
}