#include <cstdio>
#include <cstdlib>
#include <cstddef>
#include <vector>
#include <algorithm>
#include <cmath>
#include <string>
#include <iostream>
#include <iomanip>
#define L64 long long
#define MOD (1000000007LL)

int main(void)
{
  L64 a, b;
  L64 x, y;
  std::cout << "0 0" << std::endl << std::flush;
  std::cin >> a;
  if(a == 0){
    return 0;
  }
  std::cout << a << " 0" << std::endl << std::flush;
  std::cin >> b;
  y = b / 2;
  x = a - y;
  std::cout << x << " " << y << std::endl << std::flush;
  std::cin >> b;
}