#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vl = vector<long long>;
using vb = vector<bool>;
#define REP(i, s, n) for (int i = (int)(s); i < (int)(n); i++)
#define PER(i, n, s) for (int i = (int)(n)-1; i >= (int)(s); i--)
#define INT(n) int n;cin>>n;
#define LL(n) long long n;cin>>n;
#define STR(s) string s;cin>>s;
#define VLL(a, n) vector<long long>a(n);for(int i=0;i<(int)(n);i++){cin>>a[i];}
#define VSTR(a, n) vector<string>a(n);for(int i=0;i<(int)(n);i++){cin>>a[i];}



int main()
{

    LL(n);
    vector<string>s(4);
    vector<string> amaou={"akai","marui","okii","umai"};
    sort(amaou.begin(),amaou.end());
    ll cnt=0;
    REP(i,0,n)
    {
        REP(j,0,4)cin>>s[j];
        sort(s.begin(),s.end());
        if(s==amaou)cnt++;
    }
    cout<<cnt<<endl;

}