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 JavaScript (judge verdict: Accepted)

const main = (standardInput) =>{
    const length_list = standardInput.split(' ');
    const vartical_length = Number.parseInt(length_list[0]);
    const horizon_length = Number.parseInt(length_list[1]);
    
    console.log(`${vartical_length * horizon_length} ${(2*vartical_length) + (2*horizon_length)}`);
}
main(require('fs').readFileSync('/dev/stdin','UTF-8'));