#include <bits/stdc++.h>
#include <iostream>
#include <vector>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using ll = long long;
int n;
vector<vector<string>> S;

void solve(){
    vector<string> s = {
        "akai",
        "marui",
        "okii",
        "umai"
    };
    sort(s.begin(), s.end());
    int ans = 0;
    for(auto &i: S){
        sort(i.begin(), i.end());
        if(i == s)
            ans++;
    }
    cout << ans << endl;
}

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n;
    S = vector<vector<string>>(n, vector<string>(4));
    for(auto &i: S)
        for(auto &j: i)
            cin >> j;
    solve();
}