#include<bits/stdc++.h>
#define pt printf(">>>")
#define mid (((l)+(r))/2)
using namespace std;
typedef long long ll;
typedef long double ld;
const ll N=1e6+10,inf=1e18+10,mod=1e9+7;
int main(){
	int T;
	ll ans=0;
	cin >> T;
	while(T--){
		vector<string> c;
		for(ll i=1;i<=4;i++){
			string s;
			cin >> s;
			c.push_back(s);
		}
		sort(c.begin(),c.end());
		ans+=(c[0]=="akai"&&c[1]=="marui"&&c[2]=="okii"&&c[3]=="umai");
	}
	cout << ans;
	return 0;
}