The contrapositive of the following statement, "If the side of a square doubles, then its area increases four times", is\\
(1) if the area of a square increases four times, then its side is not doubled.\\
(2) if the area of a square increases four times, then its side is doubled.\\
(3) if the area of a square does not increase four times, then its side is not doubled.\\
(4) if the side of a square is not doubled, then its area does not increase four times.