#include <bits/stdc++.h>
using namespace std;
inline int toInt(string s) {
  int v;
  istringstream sin(s);
  sin >> v;
  return v;
}
template <class T>
inline string toString(T x) {
  ostringstream sout;
  sout << x;
  return sout.str();
}
template <class T>
inline T sqr(T x) {
  return x * x;
}
const double EPS = 1e-10;
const double PI = acos(-1.0);
const int INF = (int)1000000007;
const long long MOD = (long long)1000000007;
const long long INF2 = (long long)100000000000000000;
int main() {
  int n;
  cin >> n;
  if (n > 24) {
    cout << 0 << endl;
  } else {
    while (1) {
    }
  }
  return 0;
}
