#include <iostream>
#include <cstdlib>
using namespace std;

int main()
{
	const string morse[] {
		"-----",
		".----",
		"..---",
		"...--",
		"....-",
		".....",
		"-....",
		"--...",
		"---..",
		"----."
	};
	const size_t n {size(morse)};

	cout << "Please type a non-negative integer: ";
	int x {0};
	cin >> x;

	if (!cin) {
		cerr << "Sorry, that wasn't a number.\n";
		return EXIT_FAILURE;
	}

	if (x < 0) {
		cerr << "Sorry, the number must be non-negative.\n";
		return EXIT_FAILURE;
	}

	int digitArray[50] {};
	int count {0};

	if (x == 0) {
		digitArray[0] = 0;
		count = 1;
	} else {
		while (x > 0) {
			digitArray[count] = x % 10;
			x /= 10;
			++count;
		}
	}

	for (int i {count - 1}; i >= 0; --i) {
		cout << morse[digitArray[i]];
		if (i > 0) {
			cout << ' ';
		}
	}
	cout << "\n";

	return EXIT_SUCCESS;
}