Create a program in C$++$ that uses variable updating and the turtle library to draw a square

spiral.

Input

The input is how much each line is larger than the previous.

Output

The spiral begins at the center of screen and proceeds counter clockwise. It has $10$ lines,

each at a right angle from the previous line.

Test Case $1$

Input

Output

Explanation

The spiral has $10$ lines, each with a length $5$ longer than the previous.

Test Case $2$

Input

Outnut