#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic warning "-Wunused-function"
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;
using mint = modint;

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, m;
  cin >> n >> m;
  mint::set_mod(m);
  vector<mint> dp1(n + 1), dp2(n + 1);
  dp2[0] = 1;
  for (int i = 1; i <= n; i++) {
    // (...*...)
    rep(l, i - 3 + 1) {
      int r = i - 3 - l;
      dp1[i] += dp2[l] * dp2[r];
    }
    // (*) (...
    rep(l, i + 1) dp2[i] += dp1[l] * dp2[i - l];
  }
  cout << dp2[n].val() << '\n';
}