#include <bits/stdc++.h>
//#include <atcoder/all>
using namespace std;
// using namespace atcoder;
// using mint = modint1000000007;
// const int mod = 1000000007;
// using mint = modint998244353;
// const int mod = 998244353;
// const int INF = 1e9;
// const long long LINF = 1e18;
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define rep2(i, l, r) for (int i = (l); i < (r); ++i)
#define rrep(i, n) for (int i = (n)-1; i >= 0; --i)
#define rrep2(i, l, r) for (int i = (r)-1; i >= (l); --i)
#define all(x) (x).begin(), (x).end()
#define allR(x) (x).rbegin(), (x).rend()
#define P pair<int, int>
template<typename A, typename B> inline bool chmax(A& a, const B& b) { if (a < b) { a = b; return true; } return false; }
template<typename A, typename B> inline bool chmin(A& a, const B& b) { if (a > b) { a = b; return true; } return false; }
#ifndef KWM_T_MATH_MATHUTIL_HPP
#define KWM_T_MATH_MATHUTIL_HPP

#include <vector>
#include <algorithm>

namespace kwm_t::math {

// 約数の個数
inline long long divisor_count(long long n) {
	std::vector<long long> exponents;
	for (long long i = 2; i * i <= n; i++) {
		int count = 0;
		while (n % i == 0) {
			count++;
			n /= i;
		}
		if (count != 0) exponents.push_back(count);
	}
	if (n != 1) exponents.push_back(1);

	long long result = 1;
	for (long long e : exponents) {
		result *= (e + 1);
	}
	return result;
}

// 約数列挙
inline std::vector<long long> divisors(long long n) {
	std::vector<long long> result;
	for (long long i = 1; i * i <= n; i++) {
		if (n % i == 0) {
			result.push_back(i);
			if (i * i != n) result.push_back(n / i);
		}
	}
	std::sort(result.begin(), result.end());
	return result;
}

// 素因数分解
inline std::vector<std::pair<long long, int>> prime_factorize(long long n) {
	std::vector<std::pair<long long, int>> result;
	for (long long i = 2; i * i <= n; i++) {
		int count = 0;
		while (n % i == 0) {
			count++;
			n /= i;
		}
		if (count != 0) result.emplace_back(i, count);
	}
	if (n != 1) result.emplace_back(n, 1);
	return result;
}

// オイラーのφ関数
inline long long euler_phi(long long n) {
	long long result = n;
	for (long long i = 2; i * i <= n; i++) {
		if (n % i == 0) {
			result -= result / i;
			while (n % i == 0) n /= i;
		}
	}
	if (n != 1) result -= result / n;
	return result;
}

// 二項係数愚直
template <typename T = long long>
inline T binomial(long long n, long long k) {
	if (n < k || k < 0) return T(0);

	k = std::min(k, n - k);

	T numerator = 1;
	T denominator = 1;

	for (long long i = 1; i <= k; i++) {
		numerator *= T(n - k + i);
		denominator *= T(i);
	}

	numerator /= denominator;
	return numerator;
}
} // namespace kwm_t::math

#endif // KWM_T_MATH_MATHUTIL_HPP
int main() {
	std::ios::sync_with_stdio(false);
	std::cin.tie(nullptr);
	long long n; cin >> n;
	auto p = kwm_t::math::prime_factorize(n);
	int ans = 1;
	for (auto e : p) {
		if (e.second >= 2) {
			ans = 0;
			break;
		}
		else {
			ans *= -1;
		}
	}
	cout << ans << endl;
	return 0;
}