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

int main() {
    int N;
    cin >> N;
    vector A(N, vector(4, ""s));
    for(int i = 0; i < N; i++) cin >> A[i][0] >> A[i][1] >> A[i][2] >> A[i][3];
    for(int i = 0; i < N; i++) ranges::sort(A[i]);
    vector B({"akai"s, "marui"s, "okii"s, "umai"s});
    int ans(0);
    for(int i = 0; i < N; i++) if(A[i] == B) ans++;
    cout << ans << endl;
    return 0;
}