#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
using namespace std;
typedef long long int ll;
typedef pair<int,int> P;
#define yn {puts("YES");}else{puts("NO");}
#define MAX_N 200005

int main() {
    int n; cin >> n;
    int ans = 0;
    rep(i,100){
        rep(j,i+1){
            rep(k,100){
                if(i*5+j*2+k*3==n) ans++;
            }
        }
    }
    cout << ans << endl;
    return 0;
}