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

int main(int argc, char **argv)
{
	cout << "Please input some integers, RETURN or space after each one: ";
	int i;

	while (cin >> i) {   //while (cin.operator>>(i).operator void *()) {
		cout << "The value is " << i << ".\n";
	}

	if (cin.eof()) {
		cout << "The loop terminated because it encountered end of\n"
			<< "file.\n";
	}

	else if (cin.bad()) {
		cout << "The loop terminated because it could no longer hear\n"
			<< "from the outside world.\n";
	}

	else if (cin.fail()) {
		cout << "The loop terminated because the first non-whitepace\n"
			<< "character encountered was neither a digit nor a\n"
			<< "minus sign followed by a digit.\n";
	}

	else {
		cerr << argv[0] << ": I don't know why the loop terminated.\n";
	}

	return cin.eof() ? EXIT_SUCCESS : EXIT_FAILURE;
}