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

using ll = long long;
#define rep(i, n) for(int i = 0; i < n; i++)

int main() {
	int N;
	cin >> N;
	vector<vector<string>> s(N);
	rep(i, N) {
		string w;
		rep(j, 4) {
			cin >> w;
			s[i].push_back(w);
		}
	}
	vector<string> t{"akai", "marui", "okii", "umai"};
	sort(t.begin(), t.end());
	int ans = 0;
	rep(i, N) {
		sort(s[i].begin(), s[i].end());
		if(s[i] == t) ans++;
	}
	cout << ans << endl;
}