[Question]
EXERCISE: If you take 5 steps forward, then take 4 steps backward, then turn 90 degrees left, then take 4 steps backward, then take 3 steps backward, then take 1 step forward, then take 1 step backward, then take 4 steps backward, then take 4 steps backward, then take 2 steps backward, what coordinate are you at?

[Answer]
(17, 1)

[Question]
EXERCISE: If you take 1 step backward, then take 2 steps forward, then take 5 steps backward, then turn 90 degrees left, what coordinate are you at?

[Answer]
(0, -4)

[Question]
EXERCISE: If you take 1 step forward, then take 1 step backward, what coordinate are you at?

[Answer]
(0, 0)

