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#pragma GCC optimize("O3")
#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// using namespace __gnu_pbds;
// gp_hash_table<int, int> mapka;

using namespace std;
#define PB push_back
#define MP make_pair
#define LL long long
#define int LL
#define FOR(i,a,b) for(int i = (a); i <= (b); i++)
#define RE(i,n) FOR(i,1,n)
#define REP(i,n) FOR(i,0,(int)(n)-1)
#define R(i,n) REP(i,n)
#define VI vector<int>
#define PII pair<int,int>
#define LD long double
#define FI first
#define SE second
#define st FI
#define nd SE
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) ((int)(x).size())

template<class C> void mini(C &a4, C b4) { a4 = min(a4, b4); }
template<class C> void maxi(C &a4, C b4) { a4 = max(a4, b4); }

template<class TH> void _dbg(const char *sdbg, TH h){ cerr<<sdbg<<'='<<h<<endl; }
template<class TH, class... TA> void _dbg(const char *sdbg, TH h, TA... a) {
  while(*sdbg!=',')cerr<<*sdbg++;
  cerr<<'='<<h<<','; _dbg(sdbg+1, a...);
}

template<class T> ostream &operator<<(ostream& os, vector<T> V) {
  os << "["; for (auto vv : V) os << vv << ","; return os << "]";
}
template<class L, class R> ostream &operator<<(ostream &os, pair<L,R> P) {
  return os << "(" << P.st << "," << P.nd << ")";
}

#ifdef LOCAL
#define debug(...) _dbg(#__VA_ARGS__, __VA_ARGS__)
#else
#define debug(...) (__VA_ARGS__)
#define cerr if(0)cout
#endif

const int MAX = 1010;
const int MAXK = 20;
int dwu[MAX][MAX];
int p;

void add(int &a,int b){
  a += b;
  if(a >= p)
    a -= p;
}
int mul(int a,int b){
  return a * b % p;
}


int dpoba[MAX][MAXK];
int dpjed[MAX][MAXK];
int dpsum[MAX][MAXK];

int liczoba(int n,int k){
  if(k == 0)return n == 0;
  int &res = dpoba[n][k];
  if(res != -1)return res;
  res = 0;
  R(i,n){
    int ak = 0;
    R(j,k){
      add(ak, mul(liczoba(i,j), liczoba(n-i-1,k)));
    }
    add(ak, ak);
    add(ak, mul(liczoba(i, k - 1), liczoba(n - i - 1, k - 1)));
    add(res, mul(dwu[n-1][i], ak));
  }
  return res;
}

int liczsum(int n,int k);
int liczjed(int n,int k){
  if(k == 0){
    return n == 0;
  }
  int &res = dpjed[n][k];
  if(res != -1)return res;
  res = 0;
  R(i,n){
    int ak = mul(liczoba(i,k-1), liczsum(n-i-1,k));
    R(j,k - 1){
      add(ak, mul(liczoba(i,j), liczjed(n-i-1,k)));
    }
    add(res, mul(dwu[n-1][i], ak));
  }
  return res;
}

int liczsum(int n,int k){
  if(k < 0)return 0;
  int &res = dpsum[n][k];
  if(res != -1)return res;
  return res = liczsum(n, k - 1) + liczjed(n, k);
}

int32_t main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout << fixed << setprecision(11);
  cerr << fixed << setprecision(6);
  int n,k;
  cin >> n >> k >> p;
  if(k > 10){
    cout << "0\n";
    return 0;
  }
  R(i,n+1)R(j,i+1){
    if(j == 0){
      dwu[i][j] = 1;
    }else{
      dwu[i][j] = dwu[i-1][j];
      add(dwu[i][j], dwu[i-1][j-1]);
    }
  }
  R(i,n+1)R(j,k+1){
    dpjed[i][j] = dpoba[i][j] = dpsum[i][j] = -1;
  }
  int res = 0;
  R(i,n){
    add(res, mul(dwu[n-1][i], mul(liczjed(i,k),liczsum(n-i-1,k))));
    add(res, mul(dwu[n-1][i], mul(liczsum(i,k-1),liczjed(n-i-1,k))));
  }
  cout << res << "\n";
}