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: Accepted)

import java.util.Scanner;

public class Main { 
			public static void main(String[] args) {
				// ?¨??????\??????????????????????????????????????? 
				Scanner sc = new Scanner(System.in); 
				// 2?????????????????????????????????????????´??°?????¨???????????????????????? 
				int a = sc.nextInt(); int b = sc.nextInt(); 
				int area = a*b; 
				int length = a*2+b*2;
				System.out.println(area + " " + length); 
				}
			}