N = int(input())
numbers_in = 0
numbers_out = 0
for numbers in range(N):
    X = int(input())
    if -10**7 < X < 10**7:
        if 10 <= X <= 20:
            numbers_in += 1
        else:
            numbers_out += 1
print(f"{numbers_in} in\n{numbers_out} out")