import java.util.*;

public class normal {
	private static Random rnd = new Random(Calendar.getInstance().getTimeInMillis()+Thread.currentThread().getId());
	private static double u;
	public static double sampleNormal(double e0, double e1) {
		double e2;
		e2=Math.pow(e1,(0.5));
		u=e2*rnd.nextGaussian()+e0;
		return u;
	}
}