fn main() {
    let n = {
        let mut line = String::new();
        std::io::stdin().read_line(&mut line).unwrap();
        line.trim().parse::<usize>().unwrap()
    };
    let mut sss: Vec<Vec<_>> = (0..n)
        .map(|_| {
            let mut line = String::new();
            std::io::stdin().read_line(&mut line).unwrap();
            line.split_whitespace()
                .map(|x| x.parse::<String>().unwrap())
                .collect()
        })
        .collect();
    sss.iter_mut().for_each(|ss| ss.sort_unstable());

    let mut amaou = vec!["akai", "marui", "okii", "umai"];
    amaou.sort_unstable();

    let ans = sss
        .iter()
        .filter(|ss| ss.iter().zip(&amaou).all(|(s, t)| s == t))
        .count();
    println!("{}", ans);
}