Is the input text marked by positive sentiment?

Input: Janowicz was #221 in January and the win over Murray today takes him to #46 - Good year! Mega potential! #36 if he beats Tipsarevic.
Janowicz was #221 in January and the win over Murray today takes him to #46 - Good year! Mega potential! #36 if he beats Tipsarevic.