The fractional part of a real number $x$ is $x - [x]$, where $[x]$ is the greatest integer less than or equal to $x$. Let $F_1$ and $F_2$ be the fractional parts of $(44 - \sqrt{2017})^{2017}$ and $(44 + \sqrt{2017})^{2017}$ respectively. Then $F_1 + F_2$ lies between the numbers