// $Id: random.java,v 1.10 2001/05/08 01:51:39 doug Exp $
// http://www.bagley.org/~doug/shootout/

import java.text.*;

public class random {

    public static final long IM = 139968;
    public static final long IA = 3877;
    public static final long IC = 29573;

    public static void main(String args[]) {
    int N = Integer.parseInt(args[0]);
    NumberFormat nf = NumberFormat.getInstance();
    nf.setMaximumFractionDigits(9);
    nf.setMinimumFractionDigits(9);
    nf.setGroupingUsed(false);
    double result = 0;
    while (N-- > 0) {
        result = gen_random(100);
    }
    System.out.println(nf.format(result));
    }

    public static long last = 42;
    public static double gen_random(double max) {
    return( max * (last = (last * IA + IC) % IM) / IM );
    }
}