#include
#include

using namespace std;

int main()
{
	stack A;
	int num = 1;
	int a, n;

	while (num)
	{
		cin >> num;
		A.push(num);
	}

	n = A.size();

	for (int i = 0; i < n; i++)
	{
		cout << A.top() << " ";
		A.pop();
	}
	return 0;
}