#include <bits/stdc++.h>

using namespace std;

using int64 = long long;
//const int mod = (int) (1e9 + 7);
const int mod = 998244353;

const int64 infll = (1LL << 60) - 1;
const int inf = (1 << 30) - 1;

struct IoSetup {
  IoSetup() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(10);
    cerr << fixed << setprecision(10);
  }
} iosetup;


template< typename T1, typename T2 >
ostream &operator<<(ostream &os, const pair< T1, T2 > &p) {
  os << p.first << " " << p.second;
  return os;
}

template< typename T1, typename T2 >
istream &operator>>(istream &is, pair< T1, T2 > &p) {
  is >> p.first >> p.second;
  return is;
}

template< typename T >
ostream &operator<<(ostream &os, const vector< T > &v) {
  for(int i = 0; i < (int) v.size(); i++) {
    os << v[i] << (i + 1 != v.size() ? " " : "");
  }
  return os;
}

template< typename T >
istream &operator>>(istream &is, vector< T > &v) {
  for(T &in : v) is >> in;
  return is;
}

template< typename T1, typename T2 >
inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }

template< typename T1, typename T2 >
inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }

template< typename T = int64 >
vector< T > make_v(size_t a) {
  return vector< T >(a);
}

template< typename T, typename... Ts >
auto make_v(size_t a, Ts... ts) {
  return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...));
}

template< typename T, typename V >
typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) {
  t = v;
}

template< typename T, typename V >
typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) {
  for(auto &e : t) fill_v(e, v);
}

template< typename F >
struct FixPoint : F {
  FixPoint(F &&f) : F(forward< F >(f)) {}

  template< typename... Args >
  decltype(auto) operator()(Args &&... args) const {
    return F::operator()(*this, forward< Args >(args)...);
  }
};

template< typename F >
inline decltype(auto) MFP(F &&f) {
  return FixPoint< F >{forward< F >(f)};
}

template< typename T >
struct fraction {
  T num, dom;

  fraction() {}

  fraction(T n, T d) : num(n), dom(d) {
    assert(dom != 0);
    if(dom < 0) num *= -1, dom *= -1;
    T tmp = __gcd(abs(num), abs(dom));
    num /= tmp;
    dom /= tmp;
  }

  fraction operator+(const fraction a) const {
    return fraction(num * a.dom + a.num * dom, dom * a.dom);
  }

  fraction operator-(const fraction a) const {
    return fraction(num * a.dom - a.num * dom, dom * a.dom);
  }

  fraction operator*(const fraction a) const {
    return fraction(num * a.num, dom * a.dom);
  }

  fraction operator/(const fraction a) {
    return fraction(num * a.dom, dom * a.num);
  }

  fraction operator*(T k) const { return fraction(num * k, dom); }

  fraction operator/(T k) const { return fraction(num, dom * k); }

  bool operator<(const fraction a) const {
    return num * a.dom < a.num * dom;
  }

  bool operator>(const fraction a) const {
    return num * a.dom > a.num * dom;
  }

  bool operator==(const fraction a) const {
    return num * a.dom == a.num * dom;
  }

  bool operator!=(const fraction a) const {
    return num * a.dom != a.num * dom;
  }

  bool operator<=(const fraction a) const {
    return num * a.dom <= a.num * dom;
  }

  bool operator>=(const fraction a) const {
    return num * a.dom >= a.num * dom;
  }
};


int main() {
  int K;
  cin >> K;
  cout << 360 / __gcd(K, 360) << "\n";
}



Measured memory_bytes: 3664