Score : 300 points
Does \sqrt{a} + \sqrt{b} < \sqrt{c} hold?
Input is given from Standard Input in the following format:
a \ b \ c
If \sqrt{a} + \sqrt{b} < \sqrt{c}, print Yes; otherwise, print No.
2 3 9
No
\sqrt{2} + \sqrt{3} < \sqrt{9} does not hold.
2 3 10
Yes
\sqrt{2} + \sqrt{3} < \sqrt{10} holds.