def F(x):
return abs(abs(x - 6) + abs(x + 6) - 16) + 2
a = -20
b = 20
M = a
R = F(a)
for t in range(a, b + 1):
if (F(t) <= R):
M = t
R = F(t)
print (M + R)
ZGVmIEYoeCk6CiByZXR1cm4gYWJzKGFicyh4IC0gNikgKyBhYnMoeCArIDYpIC0gMTYpICsgMgoKYSA9IC0yMApiID0gMjAKTSA9IGEKUiA9IEYoYSkKZm9yIHQgaW4gcmFuZ2UoYSwgYiArIDEpOgogaWYgKEYodCkgPD0gUik6CiAgTSA9IHQKICBSID0gRih0KQpwcmludCAoTSArIFIp