#import pdb; pdb.set_trace() import sys import math def main(): print "0 0" sys.stdout.flush() line = int(raw_input()) if line == 0: sys.exit() print str(line) + " 0" sys.stdout.flush() line2 = int(raw_input()) if line2 == 0: sys.exit() print str(line - line2 / 2) + " " + str(line2 / 2) sys.stdout.flush() sys.exit() if __name__ == '__main__': main()