import java.awt.*;
import java.applet.Applet;
import java.awt.event.*; //nupuvajutus
       
  public class Kolmnurk1 extends Applet implements ActionListener{
      
  TextField tfa=new TextField("50");
  TextField tfb=new TextField("50");
  TextField tfc=new TextField("50");
    Button nupp=new Button("Joonista");
     
    public Kolmnurk1(){
    add(new Label("Esineme kulg"));
    add(tfa);
    add(new Label("Teine kulg"));
    add(tfb);
    add(new Label("Kolmas kulg"));
    add(tfc);
    add(nupp);
    nupp.addActionListener(this);
  }
   
       public void paint(Graphics g){

    int algX=150;  //1 punkt
    int algY=100; //1 punkt
    
   
    int a=Integer.parseInt(tfa.getText());
    int b=Integer.parseInt(tfb.getText());
    int c=Integer.parseInt(tfc.getText());
    
  if (c+b>a){
  if (a+c>b){
  if (b+a>c){
    int X2=a*a+c*c-b*b;
    double algX2 = X2/(2*c);
    int k=0;
    for (int n=0; algX2>0; n++)
    {
        algX2=algX2-1;
        k=k+1;
    }
     if (algX2>0.5)
     k=k+1;
    
    int Y2=((a+b+c)*(a+c-b)*(b+a-c)*(b+c-a)/(4*c*c));
    double algY2= Math.sqrt (Y2);
    int i=0;
    for (int t=0; algY2>0 ; t++)
    {
        algY2=algY2-1;	
        i=i+1;
    }
    if (algY2>0.5)
    i=i+1;
  
    g.setColor(new Color(100, 100, 100));
    g.setColor(Color.blue);
     
      
    g.drawLine(150, 100, 150+c, 100);
    g.drawLine(150, 100, 150+k, 100+i);
    g.drawLine(150+c, 100, 150+k, 100+i);
  } } }
  }
    public void actionPerformed(ActionEvent e){
     repaint(); //uuenda joonis
  } 

     public static void main(String[] argumendid){
    
    Frame f=new Frame("Kolmnurk1");

    f.setSize(500, 300);
    
    f.setBackground(new Color(252, 241, 222));
   
    f.add(new Kolmnurk1());

    f.setVisible(true);

  }
}