LIMIT = 10**6


def factorize(n):
    _n = n
    p = 2

    primes = []
    while p**2 <= _n:
        while _n % p == 0:
            primes.append(p)
            _n //= p
        p += 1

    if _n > 1:
        primes.append(_n)

    return primes


is_prime = [True] * (LIMIT + 1)
is_prime[0] = is_prime[1] = False

for i in range(2, LIMIT + 1):
    if not is_prime[i]:
        continue

    for j in range(2 * i, LIMIT + 1, i):
        is_prime[i] = False

primes = [p for p in range(LIMIT + 1) if is_prime[p]]

N = int(input())

if N == 1:
    print(1)
if any(N % (p**2) == 0 for p in primes):
    print(0)
else:
    factors = factorize(N)
    print((-1) ** len(set(factors)))