fn read<T: std::str::FromStr>() -> T {
  let mut s = String::new();
  std::io::stdin().read_line(&mut s).ok();
  s.trim().parse().ok().unwrap()
}

fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}

fn main() {
  let input:Vec<usize> = read_vec();
  let n = input[0];
  let _m = input[1];
  let k = input[2];
  let mut op_with_b:Vec<String> = read_vec();
  let op_str = op_with_b.remove(0);
  let b_s:Vec<usize> = op_with_b.iter().map(|v| v.parse().unwrap()).collect();
  let a_s:Vec<usize> = (0..n).map(|_i| { read() }).collect();

  let mut ans = 0;

  let mut sum_a = 0;
  for a in a_s {
    sum_a = (sum_a + a) % k;
  }

  if op_str == "+" {
    for b in b_s {
      ans = (ans + n * b + sum_a) % k;
    }
  } else {
    for b in b_s {
      ans = (ans + b * sum_a) % k;
    }
  }

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