#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int main(){
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);

    int N, ans=0;
    cin >> N;
    vector<string> v = {"akai", "marui", "okii", "umai"};
    sort(v.begin(), v.end());
    for (int i=0; i<N; i++){
        vector<string> w(4);
        for (int j=0; j<4; j++) cin >> w[j];
        sort(w.begin(), w.end());
        ans += (v == w);
    }

    cout << ans << endl;

    return 0;
}