For a fraction $$\frac{x}{y}$$ with $$(x, y) = 1$$, if the numerator is increased by 2 and the denominator is decreased by 3, then the fraction becomes 6. On the other hand, if the numerator is increased by 3 and the denominator is decreased by 2, then that fraction is equal to 5. Then $$\frac{x-y}{3} = $$

A

2

B

3

C

4

D

5