#include <bits/stdc++.h>

using namespace std;

int main(void)
{
	cin.tie(0);
	ios::sync_with_stdio(false);

	int a,b;
	
	cout << 0 << " " << 0 << endl;
	cin >> a;
	if(a==0) return 0;
	cout << a << " " << 0 << endl;
	cin >> b;
	if(b==0) return 0;
	int x = 2*a - b;
	x/=2;
	int y = a - x;
	cout << x << " " << y << endl;
	return 0;
}