use std::io::Read;

fn main() {
    let mut all_data = String::new();
    std::io::stdin().read_to_string(&mut all_data).ok();
    let mut all_data = all_data.trim().split('\n').map(|s| s.trim());
    let nmk: Vec<u128> = all_data.next().unwrap().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let n: u128 = nmk[0];
    let m: u128 = nmk[1];
    let k: u128 = nmk[2];
    let opb: Vec<&str> = all_data.next().unwrap().split_whitespace().collect();
    let b_sum: u128 = opb.iter().skip(1).map(|s| s.parse::<u128>().unwrap()).sum();
    let op: &str = opb[0];
    let a_sum: u128 = all_data.take(n as usize).map(|s| s.parse::<u128>().unwrap()).sum();
    let result: u128 = match op {
        "+" => a_sum * m + b_sum * n,
        "*" => a_sum * b_sum,
        _ => 0
    };
    println!("{}", result % k);
}