#include <bits/stdc++.h>
using namespace std;

#if __cplusplus < 202002L
template <class T> int ssize(const T& a){ return a.size(); }
#endif
template <class T1, class T2> istream& operator>> (istream& in, pair <T1, T2>& a){ in >> a.first >> a.second; return in; }
template <class T> istream& operator>> (istream& in, vector <T>& a){ for (auto &x: a){ in >> x; } return in; }

using ll = long long;
using ld = long double;

signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	if (fopen("KEK.inp", "r")){
		freopen("KEK.inp", "r", stdin);
		freopen("KEK.out", "w", stdout);
	}
	vector <string> a = {"akai", "marui", "okii", "umai"};
	int n;
	cin >> n;
	int ans = 0;
	while (n--){
		vector <string> b(4);
		cin >> b;
		sort(begin(b), end(b));
		if (a == b){
			ans++;
		}
	}
	cout << ans << "\n";
}