use std::io::Read;

fn main() {
    let mut input = String::new();
    std::io::stdin().read_to_string(&mut input).ok();
    let mut input = input.trim().split("\n");

    let mut line = input.next().unwrap().split_whitespace();
    let n: i64 = line.next().unwrap().parse().unwrap();
    let m: i64 = line.next().unwrap().parse().unwrap();
    let k: i64 = line.next().unwrap().parse().unwrap();

    let mut line = input.next().unwrap().split_whitespace();
    let op: &str = line.next().unwrap();
    let b = line.map(|c| c.parse::<i64>().unwrap());

    let a = input.map(|c| c.trim().parse::<i64>().unwrap());
    
    let base_a: i64 = a.sum();
    let base_b: i64 = b.sum();
    let ans = match op  { 
        "+" => m*base_a + base_b*n,
        _ => base_a * base_b,
    };

    println!("{}", ans%k);
}