import java.util.Arrays;
import java.util.List;
import java.util.Scanner;

public class Main {
    private static List<String> amaouPattern = Arrays.asList("akai", "marui", "okii", "umai");
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int cnt = 0;
        for (int i = 0; i <= n; i++) {
            List<String> strList = Arrays.stream(sc.nextLine().split(" ")).sorted().toList();
            if(strList.equals(amaouPattern)) {
                cnt++;
                System.out.println(i);
            }
        }
        System.out.println(cnt);
    }
}