#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define fi first
#define se second
#define all(a) a.begin(),a.end()
int main(){
  int n;
  cin >> n;

  int ans=0;
  for(int i=0; i<=20; ++i){
    for(int j=0; j<=50; ++j){
      for(int k=0; k<=33; ++k){
        if(5*i+2*j+3*k==n && i>=j) ans++;
      }
    }
  }
  cout << ans << endl;
  return 0;
}