import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class primeNumber_4 implements ActionListener{
		JFrame frame = new JFrame("Prime Number_4");
		JTextField tf = new JTextField(20);
		JTextArea ta = new JTextArea(5, 20);
		JButton bt = new JButton("START");
	public static void main(String[] args){
		primeNumber_4 PN = new primeNumber_4();
		PN.GUI();
	}
	public void GUI(){
	  ta.setEditable(false);
		bt.addActionListener(this);
		tf.addActionListener(this);

		frame.add(tf, "North");
		frame.add(ta, "Center");
		frame.add(bt, "South");

		frame.pack();
		frame.setVisible(true);

		frame.addWindowListener(new WindowAdapter(){
      public void windowClosing(WindowEvent we){
        frame.dispose();
        System.exit(0);
      }
    });
	}

	public void actionPerformed(ActionEvent event){
    boolean flag0 = false;
    long number = 0;
    try{
      number = Long.parseLong(tf.getText());
      flag0 = true;
    }catch(Exception ex){
      ta.setText("Input Number!!");
      flag0 = false;
      System.out.println("Exception:" + ex);
    }

    if(flag0)
      primeNumberGet(number);
	}

	public void primeNumberGet(long number){
	  boolean flag1 = true;
	  long sqrt_number = (long)Math.sqrt(number);
    if(number>1){
      if((number%2)==1){
        for(long i=3; i<sqrt_number+1; i+=2){
          long j = number%i;
          if(j==0){
            flag1 = false;
            break;
          }else
            flag1 = true;
        }
      }else if((number/2)==1)
        flag1=true;
      else
        flag1=false;
    }else
      flag1=false;

    if(flag1)
      ta.setText("It's Prime Number!!");
    else
      ta.setText("It's Basic Number!!");

    System.out.println(sqrt_number);
	}
}