using System.Collections.Generic;
using System.Linq;
using System;

public class Hello
{
    static void Main()
    {
        var n = int.Parse(Console.ReadLine().Trim());
        getAns(n);
    }
    static void getAns(int n)
    {
        var L = new List<string>() { "akai", "marui", "okii", "umai" };
        L.Sort();
        var c = 0;
        for (int i = 0; i < n; i++)
        {
            var t = Console.ReadLine().Trim().Split(' ').ToList();
            t.Sort();
            var ok = true;
            for (int j = 0; j < 4; j++)
            {
                if (L[j] != t[j]) { ok = false; break; }
            }
            if (ok) c++;
        }
        Console.WriteLine(c);
    }
}