#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define pb push_back
#define X first
#define Y second
#define sz(v) (int)v.size()

void solve();

main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
#ifdef ONPC
	freopen("in.txt", "r", stdin);
#endif
	int t = 1;
	//cin >> t;
	while (t--) solve();
	return 0;
}

bool used[35];

void solve() {
	int ans = 0;
	for (int a = 1; a + 10 - 1 <= 31; ++a) {
		for (int b = 1; b + 10 - 1 <= 31; ++b) {
			for (int c = 1; c + 10 - 1 <= 31; ++c) {
				memset(used, 0, sizeof used);
				bool f = 1;
				for (int i = a; i <= a + 10 - 1; ++i) used[i] = 1;
				for (int i = b; i <= b + 10 - 1; ++i) {
					if (used[i]) f = 0;
					used[i] = 1;
				}
				for (int i = c; i <= c + 10 - 1; ++i) {
					if (used[i]) f = 0;
					used[i] = 1;
				}
				ans += f;
			}
		}
	}
	cout << ans;
}