import java.io.*; 

public class Line {

    int x0, y0, x1, y1; 

    public Line(int x0, int y0, int x1, int y1) {
	this.x0 = x0; 
        this.y0 = y0; 
	this.x1 = x1; 
	this.y1 = y1; 
    }

}