use std::io::{BufRead, Write};

struct Lines<B> { b: B, buf: Vec<u8> }
 
impl<B: BufRead> Lines<B> {
    fn next(&mut self) -> &str {
        self.buf.clear();
        self.b.read_until(b'\n', &mut self.buf).ok();
        if self.buf.ends_with(&[b'\n']) {
            self.buf.pop();
            if self.buf.ends_with(&[b'\r']) {
                self.buf.pop();
            }
        }
        std::str::from_utf8(&self.buf).unwrap()
    }
}

macro_rules! parse {
    ($s:expr, Usize1) => (parse!($s, usize) - 1);
    ($s:expr, Bytes) => ($s.as_bytes().to_vec());
    ($s:expr, Chars) => ($s.chars().collect::<Vec<_>>());
    ($s:expr, $t:ty) => ($s.parse::<$t>().unwrap());
}

macro_rules! scan {
    ($iter:expr, ($($t:ident),*)) => (
        ($(scan!($iter, $t)),*)
    );
    ($iter:expr, [$t:ident]) => (
        $iter.map(|s| parse!(s, $t)).collect::<Vec<_>>()
    );
    ($iter:expr, $t:ident) => (
        parse!($iter.next().unwrap(), $t)
    );
}

macro_rules! read {
    ($lines:expr, [$t:tt; $n:expr]) => (
        (0..$n).map(|_| read!($lines, $t)).collect::<Vec<_>>()
    );
    ($lines:expr, $t:tt) => ({
        let iter = &mut $lines.next().split(' ');
        scan!(iter, $t)
    });
}

fn pow_mod(mut a: usize, mut n: usize, m: usize) -> usize {
    let mut res = 1;
    while n > 0 {
        if n & 1 > 0 {
            res = res * a % m;
        }
        a = a * a % m;
        n >>= 1;
    }
    res
}

fn run<B: BufRead, W: Write>(mut lines: Lines<B>, mut writer: W) {
    let (n, k, m) = read!(lines, (usize, usize, usize));
    let mut a = read!(lines, [[usize]; 4]);

    for a in a.iter_mut() {
        a.sort();
    }

    let mut ans = 0;
    for i in 0..n {
        let max = a.iter().map(|a| a[i]).max().unwrap();
        let min = a.iter().map(|a| a[i]).min().unwrap();
        ans = (ans + pow_mod(max - min, k, m)) % m;
    }
    writeln!(writer, "{}", ans).ok();
}

fn main() {
    let (stdin, stdout) = (std::io::stdin(), std::io::stdout());
    let lines = Lines { b: stdin.lock(), buf: Vec::new() };
    run(lines, std::io::BufWriter::new(stdout.lock()));
}