#include <iostream> #include <string> #include <vector> #include <algorithm> #include <queue> #include <cmath> #include <climits> #include <iomanip> #include <set> #include <map> using namespace std; typedef long long ll; int main(){ ll n; cin >> n; ll res = 0; for(int i = 0;i < 100;i++){ for(int j = 0;j <= i;j++){ for(int k = 0;k < 100;k++){ if(i * 5 + j * 2 + k * 3 == n)res++; } } } cout << res << endl; }