SP25889 DRWLNS - Drawing Lines

``` John is a bit upset now. Today was his chemistry central viva and it did not go very well. So to cheer up he bought a notebook, a pencil and an eraser. In the note book there are N points drawn in a row. The points are numbered from 1 to N serially. Now, John decided to do a strange thing with those points. At each moment, John puts his pencil or eraser at a point A and drags it to point B. As a result, some line segments may be created. And then, Sometimes he stops and thinks of a point C and tries to find out if point C is on a line segment or not. You have to solve a similar problem.   INPUT: First line of the input will contain two integers N (1

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