use proconio::input;

fn main() {
    input! {
        n: usize,
        m: u64,
    }
    let ans = solve(n, m);
    println!("{}", ans);
}

fn solve(n: usize, m: u64) -> u64 {
    if n % 3 != 0 {
        return 0;
    }
    let n = n / 3;
    let mut dp = vec![0; n + 1]; // one
    let mut ep = vec![0; n + 1]; // multi
    ep[0] = 1;
    for i in 1..=n {
        dp[i] = ((0..i).map(|j| ep[j] * ep[i - 1 - j] % m).sum::<u64>()) % m;
        ep[i] = (dp[i] + (1..i).map(|j| ep[j] * dp[i - j] % m).sum::<u64>()) % m;
    }
    ep[n]
}