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;

    public class Main{
        public void solve(){
        Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int menseki = a*b;
		int syu = (a+b)*2;
		System.out.print(menseki+""+syu);
        }
    public static void main(String[]args){
    Main obj = new Main();
    obj.solve();
    }
    }