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 mut op_with_b:Vec<String> = read_vec();
  let op_str = op_with_b.remove(0);
  let b_s:Vec<i64> = op_with_b.iter().map(|v| v.parse().unwrap()).collect();
  let k = input[2] as i64;

  let mut ans = 0;
  if op_str == "+" {
    for _i in 0..input[0] {
      let a:i64 = read();
      for j in 0..input[1] {
        ans += (a + b_s[j]) % k;
      }
    }
  } else {
    for _i in 0..input[0] {
      let a:i64 = read();
      for j in 0..input[1] {
        ans += (a * b_s[j]) % k;
      }
    }
  }
  println!("{}", ans % k);
}