{"raw_statement":[{"iden":"problem statement","content":"There is a square in the $xy$\\-plane. The coordinates of its four vertices are $(x_1,y_1),(x_2,y_2),(x_3,y_3)$ and $(x_4,y_4)$ in counter-clockwise order. (Assume that the positive $x$\\-axis points right, and the positive $y$\\-axis points up.)\nTakahashi remembers $(x_1,y_1)$ and $(x_2,y_2)$, but he has forgot $(x_3,y_3)$ and $(x_4,y_4)$.\nGiven $x_1,x_2,y_1,y_2$, restore $x_3,y_3,x_4,y_4$. It can be shown that $x_3,y_3,x_4$ and $y_4$ uniquely exist and have integer values."},{"iden":"constraints","content":"*   $|x_1|,|y_1|,|x_2|,|y_2| \\leq 100$\n*   $(x_1,y_1)$ ≠ $(x_2,y_2)$\n*   All values in input are integers."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$x_1$ $y_1$ $x_2$ $y_2$"},{"iden":"sample input 1","content":"0 0 0 1"},{"iden":"sample output 1","content":"\\-1 1 -1 0\n\n$(0,0),(0,1),(-1,1),(-1,0)$ is the four vertices of a square in counter-clockwise order. Note that $(x_3,y_3)=(1,1),(x_4,y_4)=(1,0)$ is not accepted, as the vertices are in clockwise order."},{"iden":"sample input 2","content":"2 3 6 6"},{"iden":"sample output 2","content":"3 10 -1 7"},{"iden":"sample input 3","content":"31 -41 -59 26"},{"iden":"sample output 3","content":"\\-126 -64 -36 -131"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}