#include <iostream>
using namespace std;

int main(){
	cout << 0 << ' ' << 0 << endl;
	using ll = long long;
	ll a;
	cin >> a;
	if(a == 0) return 0;
	cout << a << ' ' << 0 << endl;
	ll b;
	cin >> b;
	if(b == 0) return 0;
	cout << a - b / 2 << ' ' << b / 2 << endl;
}