use std::io;
fn main() {
    let mut s = String::new();
    io::stdin().read_line(&mut s).unwrap();
    let n: u64 = s.trim().parse().unwrap();

    println!(
        "{}",
        match n % 6 {
            1 => 2,
            2 => 8,
            3 => 5,
            4 => 7,
            5 => 1,
            0 => 4,
            _ => 0,
        }
    );
}