Problems
Square
Square
Find the perimeter and the area of a square.
Input
Each line is a separate test case that contains one integer - the length of a square side n (1 ≤ n ≤ 1000).
Output
For each test case print in one line the perimeter and the area of a square.
Input example #1
3 5 10
Output example #1
12 9 20 25 40 100