class Test {
    public static void main(String[] args) {
        Number n1 = new Number(3);
        Number n2 = new RationalNumber(9,3);
        
        System.out.println(n1.squee());
        System.out.println(n2.squee());
    }
}

class Number {
    protected double value;
    
    public Number(double value) {
        this.value = value;
    }

    public String toString() {
        return String.valueOf(value);
    }

    public double getValue() {
        return value;
    }

    public Number minus(Number other) {
        return new Number(getValue() - other.getValue());
    }

    public Number times(Number other) {
        return new Number(getValue() * other.getValue());
    }

    public Number abs() {
        if (value > 0) {
            return new Number(-value);
        } else {
            return this;
        }
    }
    
    public String squee() {
      String s = "squee";
      for (int i = 0; i < value; i++) {
        s += "e";
      }
      return s;
    }
}

class RationalNumber extends Number {
    protected double numerator;
    protected double denominator;

    public RationalNumber(double numerator, double denominator) {
        super(numerator / denominator);
        this.numerator = numerator;
        this.denominator = denominator;
    }

    public double getValue() {
        return numerator / denominator;
    }
    
    public String toString() {
        return String.valueOf(numerator) + "/" + String.valueOf(denominator);
    }
}