Strong Number

import java.util.Scanner;

public class EP06StrongNumber {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int inputNumber = Integer.parseInt(scanner.nextLine());
        int number = inputNumber;
        int sum = 0;

        while (number > 0) {
            int digit = number % 10;
            number /= 10;
            int factorial = 1;
            for (int i = 1; i <= digit ; i++) {
                factorial *= i;
            }

            sum += factorial;
        }
        if (sum == inputNumber) {
            System.out.println("yes");
        } else {
            System.out.println("no");
        }
    }
}