#include <iostream>
#include <string>
#include <algorithm>
#define rep(i, n) for(i = 0; i < n; i++)
using namespace std;

int main() {
	int n;
	cin >> n;

	int ans = 0;
	string snuke[4] = {"akai", "marui", "okii", "umai"};
	sort(snuke, snuke + 4);
	for (int i = 0; i < n; i++) {
		string s[4];
		cin >> s[0] >> s[1] >> s[2] >> s[3];
		sort(s, s + 4);
		int j;
		rep(j, 4) {
			if (s[j] != snuke[j]) break;
		}
		if (j == 4) ans++;
	}

	cout << ans << endl;
	return 0;
}