Problems
The distance from a point to direct
The distance from a point to direct
Find the distance from a given point to a given line.
\InputFile
Six integers - the coordinates of the point and the coordinates of two points, which is given by a straight line. The figures in the input does not exceed the modulo \textbf{10000}.
\OutputFile
One number - the distance from point to line up \textbf{10^\{-6\}}.
Input example #1
1 1 0 0 2 0
Output example #1
1.000000