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

int main()
{
	int n {0};
	cout << "Please type a number: ";
	cin >> n;

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

        if (n < 0) {
                cout << "The number is negative.\n";
        }

        if (n == 0) {
                cout << "The number is zero.\n";
        }

        if (n > 0) {
                cout << "The number is positive.\n";
        }

	return EXIT_SUCCESS;
}