#include <bits/stdc++.h>
#define int long long
#define double long double
using namespace std;
const int MOD =  1000000007;
const int INF = 1e11;
using Graph = vector<vector<int>>;

signed main(){
  int N;
  cin >> N;

  int ans = 0;
  for( int i = 0; i <= N; i++ ){
    for( int j = 0; j <= i; j++ ){
      for( int k = 0; k <= N; k++ ){
        if( i*5 + j*2+ k*3 == N ) ans++;
      }
    }
  }
  cout << ans << endl;
}