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

int main()
{
	int i;

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

	cout << "cin.eof() == " << cin.eof() << "\n"
		<< "cin.bad() == " << cin.bad() << "\n"
		<< "cin.fail() == " << cin.fail() << "\n";

	return cin.rdstate() == (ios_base::eofbit | ios_base::failbit)
		? EXIT_SUCCESS : EXIT_FAILURE;
}