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


N = int(input())
factors = set(factorize(N))

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