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: usize = xx[0].parse().unwrap();
    let m: usize = xx[1].parse().unwrap();
    let k: u64 = xx[2].parse().unwrap();
    let bb = xx[4..4 + m]
        .iter()
        .map(|&s| s.parse::<u64>().unwrap())
        .sum::<u64>()
        % k;
    let aa = xx[4 + m..]
        .iter()
        .map(|&s| s.parse::<u64>().unwrap())
        .sum::<u64>()
        % k;

    println!(
        "{}",
        match xx.get(3) {
            Some(&"+") => m as u64 * aa + n as u64 * bb,
            Some(&"*") => aa * bb,
            _ => unreachable!(),
        } % k
    );
}