class Generate {
    static between(start, end) {
        let numbers = [];
        for (let i = start; i <= end; i++) {
            numbers.push(i);
        }
        return numbers;
    }

    static oddBetween(start, end) {
        let numbers = [];
        for (let i = start; i <= end; i++) {
	    if(i%2 == 1) {
               numbers.push(i);
            }
        }
        return numbers;
    }

    static evenBetween(start, end) {
        let numbers = [];
        for (let i = start; i <= end; i++) {
            if(i%2 == 0) {
               numbers.push(i);
            }
        }
        return numbers;
    }
}