#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; typedef long long ll; #define sz size() #define pb push_back #define mp make_pair #define fi first #define se second #define all(c) (c).begin(), (c).end() #define rep(i,a,b) for(int i=(a);i<(b);++i) #define clr(a, b) memset((a), (b) ,sizeof(a)) #define MOD 1000000007 int main(){ ll n; cin>>n; ll ans = 0; rep(a,0,101){ rep(b,0,101){ if(b>a)continue; rep(c,0,101){ if(a*5+b*2+c*3==n)ans++; } } } cout << ans << endl; return 0; }