import sys
input = sys.stdin.read
X, Y = map(int, input().split())
print(4)
print(0, 0, 0, 0)
sys.stdout.flush()
t = 1
P00 = t
print(4)
print(0, 1, 0, 1)
sys.stdout.flush()
t = int(input())
P01 = t
print(4)
print(1, 0, 1, 0)
sys.stdout.flush()
t = int(input())
P10 = t
print(4)
print(1, 1, 1, 1)
sys.stdout.flush()
t = int(input())
P11 = t
if X == 0 and Y == 0:
    print(P00)
elif X == 0 and Y == 1:
    print(P01)
elif X == 1 and Y == 0:
    print(P10)
else:  
    print(P11)