import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
import java.util.*;
import java.lang.*;

public class graafik extends Applet implements ActionListener{
	TextField a=new TextField("1",2);
	TextField b=new TextField("1",2);
	double aa=1;
	double bb=1;
	int samm=20;
	int t=0;
	int peet=0;
	public graafik(){
	add(a);
	add(b);
	a.addActionListener(this);
	b.addActionListener(this);
	}
	public void actionPerformed(ActionEvent sundmus){
	aa=Double.parseDouble(a.getText());
	bb=Double.parseDouble(b.getText());
	paint(getGraphics());
	
	}
	public  void paint (Graphics g){
	g.setColor(Color.lightGray);
	g.fillRect(0,0,getSize().width,getSize().height);
	g.setColor(Color.black);
	g.drawLine(270,100,270,400);
	g.drawLine(270-150,250,270+150,250);
	while (peet<300){
	t++;
	peet=peet+samm;
	}
	for (int f=0; f<t;f++){
	g.drawLine(268,110+f*samm,273,110+f*samm);
	g.drawLine(270-140+f*samm,248,270-140+f*samm,253);
	}
			int ba=(int)(bb*samm);
			int x=0;
			int y=0;	
			int algusx=270;
			int algusy=250;
			while(x+y<200){
			x++;
			y=(int)(aa*x);
			}
			System.out.println(x+" "+y);
			g.drawLine(algusx,algusy-ba,algusx+x,algusy-y-ba);
			g.drawLine(algusx-x,algusy+y-ba,algusx,algusy-ba);
	}

	
	public static void main(String argumendid[]){
		 Frame f=new Frame("y=ax+b");
	    f.setSize(540,500);
	    f.setBackground(Color.lightGray);
	    f.setResizable(false);
	    f.addWindowListener(new akenkinni());	    
	    f.add(new graafik());
	    f.setVisible(true);
	}
}