fn main() {
    let stdin = std::io::read_to_string(std::io::stdin()).unwrap();
    let mut stdin = stdin.split_ascii_whitespace();

    let n: usize = stdin.next().unwrap().parse().unwrap();

    println!("{}", output(solve(n)));
}

fn solve(n: usize) -> char {
    const DIGITS: [char; 6] = ['2', '8', '5', '7', '1', '4'];
    DIGITS[(n - 1) % DIGITS.len()]
}

fn output(ans: char) -> char {
    ans
}