def query(x,y)
    puts "#{x} #{y}"
    STDOUT.flush
    return gets.to_i
end

N = 100000

p1 = query(0,0)
exit if p1 == 0
p2 = query(N,0)
exit if p2 == 0
query((p1-p2+N)/2,(p1+p2-N)/2)