#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < n; i++)
#define srep(i,a,b) for(int i = a; i < b; i++)
#define all(A) (A).begin(),A.end()
#define MOD 1000000007
using namespace std;
using ll = long long;
using P = pair<char,int>;
using Graph = vector<vector<int>>;

int main(void){
	int n; cin >> n;
	int cnt = 0;
	rep(i,100){
		rep(j,100){
			rep(k,100){
				if(i*5+j*2+k*3 == n && j <= i) cnt++;
			}
		}
	}
	cout << cnt;
}