Hadziev96

import java.util.Scanner;

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

        int left = number / 100;
        int mid = (number / 10) % 10;
        int right = number % 10;

        int result1 = left + mid + right;
        int result2 = left * mid * right;
        int result3 = left + mid * right;

        int max = result1;

        if (result2 > max) {
            max = result2;
        }
        if (result3 > max) {
            max = result3;
        }

        System.out.println(max);
    }
}