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

int main(){
	int n, ans = 0;
	cin >> n;
	vector<string> S = {"akai", "marui", "okii", "umai"};
	while(n--){
		vector<string> a(4);
		for(auto &&s : a) cin >> s;
		sort(a.begin(), a.end());
		ans += a == S;
	}
	cout << ans << '\n';
}