import java.io.*;
import javax.swing.*;
public class InOut
{

    public static char readChar(String info) 

    {
        System.out.print(info + " ");
        try {
            InputStreamReader strom = new InputStreamReader(System.in);
            BufferedReader buffer = new BufferedReader(strom);
            String s = buffer.readLine();
            return s.charAt(0);
        } 

        catch( IOException ex ) {
            System.out.println( ex.getMessage() );
            return ' ';
        }
    }

    public static String readString(String info) 

    {    System.out.print(info + " ");   
        try {      InputStreamReader strom;
            BufferedReader buffer;
            strom= new InputStreamReader(System.in);
            buffer=new BufferedReader(strom);
            System.out.flush();
            String s = buffer.readLine();
            s=(""+s+"");
            return s;    }     

        catch( IOException ex ) {      System.out.println( ex.getMessage() );
            return "";    }  } 

    public static int readInt(String info) 
    {
        String eingabe = readString(info);
        try  {

            int zahl = Integer.parseInt(eingabe);  // Texteingabe in Zahl umwandeln

            return zahl;
        }
        catch (NumberFormatException ex) { 
            System.out.println("Der Wert "+eingabe+" kann nicht in eine Ganzzahl umgewandelt werden.");
            return 0;
        } 
    }        

    public static double readDouble(String info)
    {
        String eingabe = readString(info);
        try{
            double zahl=  Double.parseDouble (eingabe);
            return zahl;
        }

        catch (NumberFormatException ex) {
            System.out.println("Der Wert "+eingabe+" kann nicht umgewandelt werden.");
            return 0;
        }
    }

    public static String inputDialog(String info)
    {
        String s = JOptionPane.showInputDialog(info);
        return s;
    }

    public static void warten(int zeit) 
    {
        try{
            Thread.sleep(zeit);
        }
        catch(InterruptedException e){
            //System.out.println("Sleep Interrupted");
        }
    }

}