use proconio::input;

fn main() {
    input! {
        n: usize,
        m: u64,
    }
    let ans = if n % 3 == 0 {
        let n = n / 3;
        let mut dp = vec![0; n + 1];
        let mut ep = vec![0; n + 1];
        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]
    } else {
        0
    };
    println!("{}", ans);
}