Problems
Equation of the line I
Equation of the line I
Find the coefficients of the general equation line.
\InputFile
Four numbers - the coordinates of two different points on the line. All input data are integers not exceeding modulo \textbf{10000}.
\OutputFile
Three integers - the coefficients \textbf{A}, \textbf{B} and \textbf{C}, the normal equation of this line.
Input example #1
1 2 3 1
Output example #1
-1 -2 5