yl = 0
yr = 10**5
print(0, yl, flush=True)
dl = int(input())
if dl == 0:
    exit()
print(0, yr, flush=True)
dr = int(input())
if dr == 0:
    exit()

while yl+2 < yr:
    y1 = (2*yl+yr)//3
    y2 = (yl+2*yr)//3
    print(0, y1, flush=True)
    d1 = int(input())
    if d1 == 0:
        exit()
    print(0, y2, flush=True)
    d2 = int(input())
    if d2 == 0:
        exit()
    if d1 <= d2:
        yr = y2
    else:
        yl = y1

y = (yl+yr)//2
print(0, y, flush=True)
d = int(input())
if d == 0:
    exit()
x = d-y
print(x, y, flush=True)
d = int(input())
if d == 0:
    exit()