#include<iostream>
#include<stdio.h>
#include<stdlib.h>
#include<algorithm>
#include<vector>
#include<string.h>
#include<math.h>
#include<map>
#include<iomanip>
#include<queue>

using ll = long long;
const int inf = 99999999;
const ll mod =  998244353;

using namespace std;

int main(){
	int n;
	cin >> n;
	int ans = 0;
	for(int i = 0; i <= 30; i++){
		for(int j = 0; j <= 30; j++){
			for(int k = 0; k <= 40; k++){
				if(5*i + 2*j + 3*k == n){
					if(i>=j)ans++;
				}
			}
		}
	}
	cout << ans << endl;
	return 0;
}