import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.lang.System.*;
import java.lang.Math.*;
import java.lang.*;


class KvantovaJama extends Applet {
	
	
	
	
	
}


class SimPanel extends Panel 
{
  double d;
  	
	
	
	public double FIn(double x, int n)
	{
     return(Math.sqrt(2/d)*Math.sin((Math.PI*x*n)/d);
	}
	
	public double En(int n)
	{
	  return((Math.PI*Math.PI*n*n)/(2*d*d));
	}
}