while (cin>> x >>" ">> y, !cin.fail())

#include <iostream>
#include <vector>

using namespace std;

class point
{
private:
	int x, y, z;

public:
	point (int xx = 0, int yy = 0, int zz = 0): x (xx), y (yy), z (zz) {}

	vector<int> s, t;

	void numbers()
	{
		while (cin>> x >>" ">> y, !cin.fail())
		{
			s.push_back(x);
			s.push_back(y);
		}

	}

	void print()
	{
		int n = s.size();

		for (z = 0; z < n; z++)
			cout<< s[z] <<endl;
	}
};

int main()
{
	point u;

	cout<<"Type twee integere getallen in per keer: "<<endl;

	u.numbers();

	u.print();

	cin.get();

	return 0;
}