def floor(n):
	return n - (n % 1)

def ceil(n):
	return n - (n % -1)


assert floor(-1) == -1
assert floor(1) == 1
assert floor(1.2) == 1
assert floor(-1.2) == -2
assert floor(0) == 0
assert floor(0.1) == 0
assert floor(-0.1) == -1
assert ceil(-1) == -1
assert ceil(1) == 1
assert ceil(1.2) == 2
assert ceil(-1.2) == -1
assert ceil(0) == 0
assert ceil(0.1) == 1
assert ceil(-0.1) == 0