#include <iostream>
#include <algorithm>

using namespace std;

int main()
{
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	unsigned short N, i, j, ans = 0;
	string S[100][4];

	cin >> N;
	for (i = 0; i != N; ++i)
	{
		for (j = 0; j != 4; ++j) cin >> S[i][j];
		stable_sort(S[i], S[i] + 4);
		if (S[i][0] == "akai" && S[i][1] == "marui" && S[i][2] == "okii" && S[i][3] == "umai")
			++ans;
	}

	cout << ans << '\n';
	return 0;
}