public class W03N01Collapsed
{
    public static void main( String[] args)
    {
        // declare variables
        double d;
        double mod;
        // get number
        d = IO.readDouble("Your number: ");
        
        // if d is negative
        if (d < 0)
        {
            // print message that it was negative
            System.out.println(d + " is negative.");
        }
        // if the users number is between 0 and 100, inclusive,
        // if the number is <= 100
        else if (d <= 100)
        {
            // can't collapse -- follows an if, not an else
            // if it is >= 0
            if (d >= 0)
            {
                // print it.
                System.out.println("Input number, " + d + 
                    ", between 0 and 100 inclusive");
            }
            // otherwise do nothing
            else
            {
                ;
            }
        }
        // otherwise
        else 
        {
            // modulate the number
            mod = d % 100;
            //can't collapse.  Follows a statement, not an else
            // if the modulated result is between 50 and 100 (non-inclusive)
            // I already know mod is < 100, by the definition of modulo, so
            // if modulated result > 50 it is in the range I want to print
            if (mod > 50)
            {
                System.out.println("modulated number " + d + 
                    " is between 50 and 100");
            }
            // otherwise do nothing
            else
            {
                ;
            }
        }
    }
}