fn read() -> (usize, Vec<usize>) {
    use std::io::*;
    let mut s = String::new();
    std::io::stdin().read_to_string(&mut s).unwrap();
    let mut it = s.trim().split_whitespace();
    let mut next = || it.next().unwrap();
    let n: usize = next().parse().unwrap();
    let m: usize = next().parse().unwrap();
    (m, (0..n).flat_map(|_| next().parse()).collect())
}
 
fn main() {
    let (mut m, a) = read();
    const MOD: u32 = 1_234_567_891;
    let mut dp = vec![1];
    while m > 0 {
        for &a in a.iter() {
            let mut next = vec![0u32; dp.len() + a];
            next[..dp.len()].clone_from_slice(&dp);
            for (next, dp) in next[a..].iter_mut().zip(dp.iter()) {
                *next += *dp;
            }
            dp = next;
            for dp in dp.iter_mut() {
                *dp %= MOD;
            }
        }
        let mut next = vec![];
        for (i, dp) in dp.iter().enumerate() {
            if i & 1 == m & 1 {
                next.push(*dp);
            }
        }
        dp = next;
        m >>= 1;
    }
    println!("{}", dp[0]);
}