#[allow(unused_imports)]
use proconio::{
    fastout, input,
    marker::{Chars, Usize1},
};
#[allow(unused_imports)]
use std::cmp::{max, min};
#[allow(unused_imports)]
use std::collections::{HashMap, HashSet, VecDeque};
#[allow(unused_imports)]
use std::fmt::Debug;
#[allow(unused_imports)]
use std::iter::{Flatten, FromIterator};
#[allow(unused_imports)]
use std::ops::Index;
#[allow(unused_imports)]
use std::vec::IntoIter;

trait DisplayVec<T> {
    fn print(&self, sep: &str);
}

impl<T> DisplayVec<T> for Vec<T>
where
    T: ToString,
{
    fn print(&self, sep: &str) {
        println!(
            "{}",
            self.iter()
                .map(std::string::ToString::to_string)
                .collect::<Vec<_>>()
                .join(sep)
        )
    }
}
#[allow(dead_code)]
fn print_chars(input_: &[char]) {
    println!("{}", &input_.iter().collect::<String>())
}
#[allow(dead_code)]
fn ctoi(c: &char) -> i32 {
    *c as i32 - 48
}
#[allow(dead_code)]
#[allow(non_snake_case)]
fn YESNO(res: bool) {
    if res {
        println!("YES")
    } else {
        println!("NO")
    }
}
#[allow(dead_code)]
#[allow(non_snake_case)]
fn YesNo(res: bool) {
    if res {
        println!("Yes")
    } else {
        println!("No")
    }
}
#[allow(dead_code)]
fn yesno(res: bool) {
    if res {
        println!("yes")
    } else {
        println!("no")
    }
}

#[allow(unused_macros)]
macro_rules! input_arrays_with_len {
    ($e:expr, $t:ty) => {
        (0..$e)
            .map(|_| {
                input! {
                    l: u32,
                    nums: [$t; l]
                }
                nums
            })
            .collect_vec()
    };
}

fn mod_pow(num: i64, index_: i64, mod_: i64) -> i64 {
    if index_ == 0 {
        return 1;
    }
    if index_ % 2 == 0 {
        return mod_pow((num * num) % mod_, index_ / 2, mod_);
    } else {
        return num * mod_pow(num, index_ - 1, mod_) % mod_;
    }
}

fn combinations<T, F>(
    origin: &Vec<Vec<T>>,
    cur_idx: usize,
    cur_rest: usize,
    cur_array: &mut Vec<usize>,
    func: &F,
) -> i64
where
    F: Fn(&Vec<Vec<T>>, &Vec<usize>) -> bool,
{
    if cur_rest == 0 {
        return func(origin, &cur_array) as i64;
    }
    if cur_idx + cur_rest > origin.len() {
        return 0;
    }
    let mut ans = combinations(origin, cur_idx + 1, cur_rest, cur_array, func);

    if cur_rest > 0 {
        cur_array.push(cur_idx);
        ans += combinations(origin, cur_idx + 1, cur_rest - 1, cur_array, func);
        cur_array.pop();
    }

    ans
}

fn main() {
    input! {
        n: usize, p: i64, q: i64,
        a: [i64; n],
    }

    let divisors = [10, 9, 7, 5];
    let a_mod = a
        .iter()
        .map(|&a_elm| {
            divisors
                .iter()
                .map(move |&div_| mod_pow(div_, a_elm, p))
                .collect::<Vec<i64>>()
        })
        .collect::<Vec<_>>();

    let mut cur = vec![];

    let ctr = combinations(&a_mod, 0, 4, &mut cur, &|mods, array| {
        let v = array
            .iter()
            .enumerate()
            .map(|(idx, &elm)| mods[elm as usize][idx])
            .fold(0, |sum, x| (sum + x) % p);
        v == q
    });

    println!("{}", ctr);
}