import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int l = 0;
    int r = 100001;
    int ans1 = 0;
    while(l < r) {
      System.out.println(l + " " + 0);
      System.out.flush();
      int ret1 = sc.nextInt();
      int med = (l + r) / 2;
      System.out.println(med + " " + 0);
      System.out.flush();
      int ret2 = sc.nextInt();
      if(ret2 == (ret1 + l - med)) {
        ans1 = med;
        l = med + 1;
      } else {
        r = med;
      }
    }
    l = 0;
    r = 100001;
    int ans2 = 0;
    while(l < r) {
      System.out.println(ans1 + " " + l);
      System.out.flush();
      int ret1 = sc.nextInt();
      int med = (l + r) / 2;
      System.out.println(ans1 + " " + med);
      System.out.flush();
      int ret2 = sc.nextInt();
      if(ret2 == (ret1 + l - med)) {
        ans2 = med;
        l = med + 1;
      } else {
        r = med;
      }
    }
    System.out.println(ans1 + " " + ans2);
    System.out.flush();
  }
}