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 k: u128 = nmk[2];
    let opb: Vec<&str> = all_data.next().unwrap().split_whitespace().collect();
    let b: Vec<u128> = opb.iter().skip(1).map(|s| s.parse().unwrap()).collect();
    let op: &str = opb[0];
    let a: Vec<u128> = all_data.take(n as usize).map(|s| s.parse().unwrap()).collect();
    let mut result: u128 = 0;
    for i in a.iter() {
        result += b.iter()
            .map(|j| match op {
                "+" => i + j,
                "*" => i * j,
                _ => 0
            })
            .sum::<u128>()
        ;
        result %= k;
    }
    println!("{}", result);
}