Problems
Create a triangle
Create a triangle
Given the lengths of three segments. Is it possible to construct from them the non-degenerate triangle? The triangle is non-degenerate if it has positive area.
\InputFile
Three positive integers $a, b, c~(1 \le a, b, c \le 1000)$ --- the lengths of three segments.
\OutputFile
Print "\textbf{YES}" if it's possible to create the non-degenerate triangle from the given segments and "\textbf{NO}" otherwise.
Input example #1
5 6 7
Output example #1
YES
Input example #2
3 7 4
Output example #2
NO