import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.lang.String;

public class Roomanumbrid extends Applet implements ActionListener{
	TextField tf=new TextField(10);
	TextField tf2=new TextField(10);
	Label silt1, silt2;
	Button bt=new Button("Teisenda");
	
	public Roomanumbrid(){
	setLayout(new BorderLayout());
	
	Panel p=new Panel(new GridLayout(2, 2));
	p.add(silt1=new Label("Sisesta arv:"));
	p.add(tf);
	p.add(silt2=new Label("Roomanumber:"));
	p.add(tf2);
	add(p, BorderLayout.CENTER);
	
	Panel p2=new Panel();
	p2.add(bt);
	bt.addActionListener(this);
	add(p2, BorderLayout.SOUTH);
	
	}	
	
	public void actionPerformed(ActionEvent e){
   
    String arv; 
    String yhed[]={"I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"};
	String kymned[]={"X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC"};
	String sajad[]={"C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM"};
	String tuhanded[]={"M", "MM"};
	String lnyhed[]={"1", "2", "3", "4", "5", "6", "7", "8", "9"};
	String lnkymned[]={"10", "20", "30", "40", "50", "60", "70", "80", "90"};
	String lnsajad[]={"100", "200", "300", "400", "500", "600", "700", "800", "900"};
	String lntuhanded[]={"1000", "2000"};
	String roomanumber="";
	arv=tf.getText();
	
	if(arv.length()==4){
	
	   if(arv.substring(0,1).equals("1"))roomanumber=roomanumber+tuhanded[0];
   	   if(arv.substring(0,1).equals("2"))roomanumber=roomanumber+tuhanded[1];
   	   
	   if(arv.substring(1,2).equals("1"))roomanumber=roomanumber+sajad[0];
	   if(arv.substring(1,2).equals("2"))roomanumber=roomanumber+sajad[1];
	   if(arv.substring(1,2).equals("3"))roomanumber=roomanumber+sajad[2];
	   if(arv.substring(1,2).equals("4"))roomanumber=roomanumber+sajad[3];
	   if(arv.substring(1,2).equals("5"))roomanumber=roomanumber+sajad[4];
	   if(arv.substring(1,2).equals("6"))roomanumber=roomanumber+sajad[5];
	   if(arv.substring(1,2).equals("7"))roomanumber=roomanumber+sajad[6];
	   if(arv.substring(1,2).equals("8"))roomanumber=roomanumber+sajad[7];
	   if(arv.substring(1,2).equals("9"))roomanumber=roomanumber+sajad[8];
	   
	   if(arv.substring(2,3).equals("1"))roomanumber=roomanumber+kymned[0];
	   if(arv.substring(2,3).equals("2"))roomanumber=roomanumber+kymned[1];
	   if(arv.substring(2,3).equals("3"))roomanumber=roomanumber+kymned[2];
	   if(arv.substring(2,3).equals("4"))roomanumber=roomanumber+kymned[3];
	   if(arv.substring(2,3).equals("5"))roomanumber=roomanumber+kymned[4];
	   if(arv.substring(2,3).equals("6"))roomanumber=roomanumber+kymned[5];
	   if(arv.substring(2,3).equals("7"))roomanumber=roomanumber+kymned[6];
	   if(arv.substring(2,3).equals("8"))roomanumber=roomanumber+kymned[7];
	   if(arv.substring(2,3).equals("9"))roomanumber=roomanumber+kymned[8];
	   
	   if(arv.substring(3,4).equals("1"))roomanumber=roomanumber+yhed[0];
       if(arv.substring(3,4).equals("2"))roomanumber=roomanumber+yhed[1];
   	   if(arv.substring(3,4).equals("3"))roomanumber=roomanumber+yhed[2];
   	   if(arv.substring(3,4).equals("4"))roomanumber=roomanumber+yhed[3];
   	   if(arv.substring(3,4).equals("5"))roomanumber=roomanumber+yhed[4];
   	   if(arv.substring(3,4).equals("6"))roomanumber=roomanumber+yhed[5];
   	   if(arv.substring(3,4).equals("7"))roomanumber=roomanumber+yhed[6];
   	   if(arv.substring(3,4).equals("8"))roomanumber=roomanumber+yhed[7];
   	   if(arv.substring(3,4).equals("9"))roomanumber=roomanumber+yhed[8];
	  
	   if((arv.substring(2,3).equals("4"))&&(arv.substring(3,4).equals("9")))roomanumber=roomanumber+"IL";
  	   if((arv.substring(2,3).equals("9"))&&(arv.substring(3,4).equals("9")))roomanumber=roomanumber+"IC";
	   if((arv.substring(1,2).equals("4"))&&(arv.substring(2,3).equals("9")))roomanumber=roomanumber+"XC";
       if((arv.substring(1,2).equals("4"))&&(arv.substring(2,3).equals("9"))&&(arv.substring(3,4).equals("9")))roomanumber=roomanumber+"XD";
  	   if((arv.substring(1,2).equals("9"))&&(arv.substring(2,3).equals("9")))roomanumber=roomanumber+"XM";
  	   if((arv.substring(1,2).equals("9"))&&(arv.substring(2,3).equals("9"))&&(arv.substring(3,4).equals("9")))roomanumber=roomanumber+"IM";
	  
	   tf2.setText("" +roomanumber);
	
	}

	if(arv.length()==3){
		
	  if((arv.substring(1,2).equals("4"))&&(arv.substring(2,3).equals("9")) || (arv.substring(1,2).equals("9"))&&(arv.substring(2,3).equals("9")) ||
	  (arv.substring(0,1).equals("4"))&&(arv.substring(1,2).equals("9")) || (arv.substring(0,1).equals("4"))&&(arv.substring(1,2).equals("9"))&&(arv.substring(2,3).equals("9")) ||
	  (arv.substring(0,1).equals("9"))&&(arv.substring(1,2).equals("9")) || (arv.substring(0,1).equals("9"))&&(arv.substring(1,2).equals("9"))&&(arv.substring(2,3).equals("9"))){
	   
	   if((arv.substring(1,2).equals("4"))&&(arv.substring(2,3).equals("9")))roomanumber=roomanumber+"IL";
  	   if((arv.substring(1,2).equals("9"))&&(arv.substring(2,3).equals("9")))roomanumber=roomanumber+"IC";
	   if((arv.substring(0,1).equals("4"))&&(arv.substring(1,2).equals("9")))roomanumber=roomanumber+"XC";
       if((arv.substring(0,1).equals("4"))&&(arv.substring(1,2).equals("9"))&&(arv.substring(2,3).equals("9")))roomanumber=roomanumber+"XD";
  	   if((arv.substring(0,1).equals("9"))&&(arv.substring(1,2).equals("9")))roomanumber=roomanumber+"XM";
  	   if((arv.substring(0,1).equals("9"))&&(arv.substring(1,2).equals("9"))&&(arv.substring(2,3).equals("9")))roomanumber=roomanumber+"IM";
	   tf2.setText("" +roomanumber);
	  
	  }else{
	
	   if(arv.substring(0,1).equals("1"))roomanumber=roomanumber+sajad[0];
   	   if(arv.substring(0,1).equals("2"))roomanumber=roomanumber+sajad[1];
   	   if(arv.substring(0,1).equals("3"))roomanumber=roomanumber+sajad[2];
   	   if(arv.substring(0,1).equals("4"))roomanumber=roomanumber+sajad[3];
   	   if(arv.substring(0,1).equals("5"))roomanumber=roomanumber+sajad[4];
   	   if(arv.substring(0,1).equals("6"))roomanumber=roomanumber+sajad[5];
   	   if(arv.substring(0,1).equals("7"))roomanumber=roomanumber+sajad[6];
   	   if(arv.substring(0,1).equals("8"))roomanumber=roomanumber+sajad[7];
   	   if(arv.substring(0,1).equals("9"))roomanumber=roomanumber+sajad[8];
   	   
	   if(arv.substring(1,2).equals("1"))roomanumber=roomanumber+kymned[0];
	   if(arv.substring(1,2).equals("2"))roomanumber=roomanumber+kymned[1];
	   if(arv.substring(1,2).equals("3"))roomanumber=roomanumber+kymned[2];
	   if(arv.substring(1,2).equals("4"))roomanumber=roomanumber+kymned[3];
	   if(arv.substring(1,2).equals("5"))roomanumber=roomanumber+kymned[4];
	   if(arv.substring(1,2).equals("6"))roomanumber=roomanumber+kymned[5];
	   if(arv.substring(1,2).equals("7"))roomanumber=roomanumber+kymned[6];
	   if(arv.substring(1,2).equals("8"))roomanumber=roomanumber+kymned[7];
	   if(arv.substring(1,2).equals("9"))roomanumber=roomanumber+kymned[8];
	   
	   if(arv.substring(2,3).equals("1"))roomanumber=roomanumber+yhed[0];
	   if(arv.substring(2,3).equals("2"))roomanumber=roomanumber+yhed[1];
	   if(arv.substring(2,3).equals("3"))roomanumber=roomanumber+yhed[2];
	   if(arv.substring(2,3).equals("4"))roomanumber=roomanumber+yhed[3];
	   if(arv.substring(2,3).equals("5"))roomanumber=roomanumber+yhed[4];
	   if(arv.substring(2,3).equals("6"))roomanumber=roomanumber+yhed[5];
	   if(arv.substring(2,3).equals("7"))roomanumber=roomanumber+yhed[6];
	   if(arv.substring(2,3).equals("8"))roomanumber=roomanumber+yhed[7];
	   if(arv.substring(2,3).equals("9"))roomanumber=roomanumber+yhed[8];
	   tf2.setText("" +roomanumber);
	  }
	}
 	
 	if(arv.length()==2){
	
	if((arv.substring(0,1).equals("4"))&&(arv.substring(1,2).equals("9")) || (arv.substring(0,1).equals("9"))&&(arv.substring(1,2).equals("9"))){
		if((arv.substring(0,1).equals("4"))&&(arv.substring(1,2).equals("9")))roomanumber=roomanumber+"IL";
  	    if((arv.substring(0,1).equals("9"))&&(arv.substring(1,2).equals("9")))roomanumber=roomanumber+"IC";
		tf2.setText("" +roomanumber);
	}else{
	
	   if(arv.substring(0,1).equals("1"))roomanumber=roomanumber+kymned[0];
   	   if(arv.substring(0,1).equals("2"))roomanumber=roomanumber+kymned[1];
   	   if(arv.substring(0,1).equals("3"))roomanumber=roomanumber+kymned[2];
   	   if(arv.substring(0,1).equals("4"))roomanumber=roomanumber+kymned[3];
   	   if(arv.substring(0,1).equals("5"))roomanumber=roomanumber+kymned[4];
   	   if(arv.substring(0,1).equals("6"))roomanumber=roomanumber+kymned[5];
   	   if(arv.substring(0,1).equals("7"))roomanumber=roomanumber+kymned[6];
   	   if(arv.substring(0,1).equals("8"))roomanumber=roomanumber+kymned[7];
   	   if(arv.substring(0,1).equals("9"))roomanumber=roomanumber+kymned[8];
   	   
	   if(arv.substring(1,2).equals("1"))roomanumber=roomanumber+yhed[0];
	   if(arv.substring(1,2).equals("2"))roomanumber=roomanumber+yhed[1];
	   if(arv.substring(1,2).equals("3"))roomanumber=roomanumber+yhed[2];
	   if(arv.substring(1,2).equals("4"))roomanumber=roomanumber+yhed[3];
	   if(arv.substring(1,2).equals("5"))roomanumber=roomanumber+yhed[4];
	   if(arv.substring(1,2).equals("6"))roomanumber=roomanumber+yhed[5];
	   if(arv.substring(1,2).equals("7"))roomanumber=roomanumber+yhed[6];
	   if(arv.substring(1,2).equals("8"))roomanumber=roomanumber+yhed[7];
	   if(arv.substring(1,2).equals("9"))roomanumber=roomanumber+yhed[8];
 	tf2.setText("" +roomanumber);
	}
 }
 
 if(arv.length()==1){
  for(int i=0; i<9; i++){
  	if(arv.equals(lnyhed[i]))roomanumber=yhed[i];
  }
   tf2.setText("" +roomanumber);
 }
}
  public static void main(String argumendid[]){
    Frame f=new Frame("Roomanumbrid");
    f.setSize(200,100);
    f.add(new Roomanumbrid());
    f.setBackground(new Color(240,200,200));
    f.setVisible(true);
  	}
}