#include <iostream> #include <string> #include <algorithm> #define rep(i, n) for(i = 0; i < n; i++) using namespace std; int main() { int n; cin >> n; int ans = 0; string snuke[4] = {"akai", "marui", "okii", "umai"}; sort(snuke, snuke + 4); for (int i = 0; i < n; i++) { string s[4]; cin >> s[0] >> s[1] >> s[2] >> s[3]; sort(s, s + 4); int j; rep(j, 4) { if (s[j] != snuke[j]) break; } if (j == 4) ans++; } cout << ans << endl; return 0; }