public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
	Scanner scanner = new Scanner(System.in);
	int N = scanner.nextInt();

	int num = N;
	int s =0;

	while(num !=0) {
		s += num % 10;
		num /= 10;



	}

	System.out.println(N % s == 0? "yes":"no");

}
}
