Problems
Rectangular or not?
Rectangular or not?
The lengths of the sides of a triangle are given. Determine, if this triangle is rectangular.
\InputFile
Three positive integers --- the lengths of sides of triangle. The lengths of the sides do not exceed $1000$.
\OutputFile
Print "\textbf{YES}" if triangle is rectangular, or "\textbf{NO}" otherwise.
Input example #1
3 5 4
Output example #1
YES
Input example #2
3 5 5
Output example #2
NO