#!/usr/bin/env python3

import sys


AX_MAX = 100000
AY_MAX = 100000


def query(x, y):
    print("{} {}".format(x, y))
    # 忘れずに
    sys.stdout.flush()
    d = int(input())
    if d == 0:
        # Manhattan距離が0ならば問答無用で終了
        sys.exit(0)
    else:
        return d


def main():
    l0 = query(0, 0)
    l1 = query(AX_MAX, 0)
    l2 = query(0, AY_MAX)
    ax = (AX_MAX - l1 + l0) // 2
    ay = (AY_MAX - l2 + l0) // 2
    _ = query(ax, ay)


if __name__ == '__main__':
    main()