fn main() {
    let mut xx = String::new();
    std::io::Read::read_to_string(&mut std::io::stdin(), &mut xx).ok();
    let xx: Vec<&str> = xx.split_whitespace().collect();

    let n_mod_10 = xx[0].chars().last().unwrap().to_digit(10).unwrap();
    let m_mod_100: usize = xx[1][(xx[1].len().max(2) - 2)..].parse().unwrap();

    if xx[1] == "0" {
        println!("1");
    } else {
        println!(
            "{}",
            match n_mod_10 {
                0 | 1 | 5 | 6 => n_mod_10,
                2 => [6, 2, 4, 8][m_mod_100 % 4],
                3 => [1, 3, 9, 7][m_mod_100 % 4],
                4 => [6, 4][m_mod_100 % 2],
                7 => [1, 7, 9, 3][m_mod_100 % 4],
                8 => [6, 8, 4, 2][m_mod_100 % 4],
                9 => [1, 9][m_mod_100 % 2],
                _ => unreachable!(),
            }
        );
    }
}