#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll=vector<long long>;
template<typename T>T get(){T r;cin>>r;return r;}
template<typename T>void showV(vector<T> v){for(auto &i:v){cout<<i<<" ";}cout<<""<<endl;}

bool is_amaou(vector<string> s){
    sort(s.begin(),s.end());
    if(s[0]=="akai"&&s[1]=="marui"&&s[2]=="okii"&&s[3]=="umai"){
        return true;
    }else{
        return false;
    }
}

int main() {
    ll n=get<ll>();
    ll cnt=0;
    for(int i=0;i!=n;i++){
        vector<string> s(4);
        map<string,bool> mp;
        for(ll j=0;j!=4;j++){
            s[j]=get<string>();
        }
        if(is_amaou(s)){
            cnt++;
        }

    }
    cout<<cnt<<endl;

    system("pause");
}