#include <iostream>
#include <string>
#include <sstream>

using namespace std;

int main()
{
	int product=0;
	string str;
	stringstream sstream;
	while(1)
	{
		cin >> str;
		if(cin.eof())
		{
			return 0;
		}
		do
		{
			product = str[0] - 48;
			for(int i = 1; i < str.size(); i++)
			{
				product *= str[i] - 48;
			}
			cout << "The product of the digits of " << str << " is " << product << "." << endl;
			sstream << product;
			sstream >> str;
			sstream.clear();
		}while(str.size() != 1);
		cout << "----------" << endl;
	}
	return 0;
}