import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.Scanner;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
    public static void main (String[] args) throws java.lang.Exception
    {
        Scanner in = new Scanner(System.in);

        int a = in.nextInt();
        int b = in.nextInt();
        int c = in.nextInt();

        int sum;

        sum = a + b + c;

        if(sum % 3 == 0)
        {

             System.out.printf("The product of the numbers: %d \n", a * b * c);

        }
        else System.out.printf("The sum of the numbers is not divisible by 3");

    }
}