**obtuse**. The line $AX$ intersects $\Gamma_2$ again at $P$, and the line $AY$ intersects $\Gamma_1$ again at $Q$. Lines $PQ$ and $XY$ intersect at $G$, such that $Q$ lies on line segment $GP$. If $GQ = 255$, $GP = 266$ and $GX = 190$, what is the length of $XY$?