#include using namespace std; long long mod = 998244353; //入力が必ず-mod= mod) v -= mod; return *this; } mint operator-=(const mint b){ v -= b.v; if(v < 0) v += mod; return *this; } mint operator*=(const mint b){v = v*b.v%mod; return *this;} mint operator/=(mint b){ if(b == 0) assert(false); int left = mod-2; while(left){if(left&1) *this *= b; b *= b; left >>= 1;} return *this; } mint operator++(){*this += 1; return *this;} mint operator--(){*this -= 1; return *this;} mint operator++(int){*this += 1; return *this;} mint operator--(int){*this -= 1; return *this;} bool operator==(const mint b)const{return v == b.v;} bool operator!=(const mint b)const{return v != b.v;} bool operator>(const mint b)const{return v > b.v;} bool operator>=(const mint b)const{return v >= b.v;} bool operator<(const mint b)const{return v < b.v;} bool operator<=(const mint b)const{return v <= b.v;} mint pow(long long n)const{ mint ret = 1,p = v; if(n < 0) p = p.inv(),n = -n; while(n){ if(n&1) ret *= p; p *= p; n >>= 1; } return ret; } mint inv()const{return mint(1)/v;} }; int main(){ ios_base::sync_with_stdio(false); cin.tie(nullptr); int N; cin >> N >> mod; if(N%3){cout << 0 << endl; return 0;} N /= 3; vector dp(N+1); dp.at(0) = 1; vector> dp2(N+1,vector(4)); dp2.at(0).at(0) = 1; for(int i=1; i<=N; i++){ for(int k=0; k<=3; k++) dp.at(i) += dp2.at(i-1).at(k); vector mul = {1,dp.at(i),dp.at(i)*dp.at(i),dp.at(i)*dp.at(i)*dp.at(i)}; for(int k=N-i; k>=0; k--) for(int l=1; l<=3; l++){ if(i*l+k > N) break; int to = i*l+k; for(int m=0; m<=3-l; m++){ mint d = dp2.at(k).at(m)*mul.at(l); if(m+l == 3) dp2.at(to).at(3) += d; else if(m == 1 && l == 1) dp2.at(to).at(2) += d*2; else dp2.at(to).at(m+l) += d*3; } } } cout << dp.at(N).v << endl; }