Problems
Point on a segment
Point on a segment
Determine whether a given point belongs to a given segment.
Input
Six integers - the point coordinates and the coordinates of the beginning and end of the segment. All input values do not exceed 10000 by absolute value.
Output
Print "YES", if the point belongs to the segment, and "NO" otherwise.
Input example #1
3 3 1 2 5 4
Output example #1
YES
Input example #2
3 3 1 2 5 3
Output example #2
NO