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#include <bits/stdc++.h>
#include <math.h>
using namespace std;
#define endl "\n"
#define mp make_pair
#define st first
#define nd second
#define pii pair<int, int>
#define pb push_back
#define _upgrade ios_base::sync_with_stdio(0), cout.setf(ios::fixed), cout.precision(10), cin.tie(0), cout.tie(0);
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define FWD(i, a, b) for (int i = (a); i < (b); ++i)
#define rep(i, n) for (int32_t i = 0; i < (n); ++i)
#define fwd(i, a, b) for (int i = (a); i < (b); ++i)
#define all(c) (c).begin(), (c).end()
#define sz(X) (int)((X).size())
#define what(x) cerr << #x << " is " << x << endl;

ostream &operator<<(ostream &out, string str) {
   for (char c : str)
      out << c;
   return out;
}
template <class L, class R> ostream &operator<<(ostream &out, pair<L, R> p) { return out << "(" << p.st << ", " << p.nd << ")"; }
template <class T> auto operator<<(ostream &out, T a) -> decltype(a.begin(), out) {
   out << '{';
   for (auto it = a.begin(); it != a.end(); it = next(it))
      out << (it != a.begin() ? ", " : "") << *it;
   return out << '}';
}
void dump() { cerr << "\n"; }
template <class T, class... Ts> void dump(T a, Ts... x) {
   cerr << a << ", ";
   dump(x...);
}
#define DEBUG true
#define debug(...)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     \
   if (DEBUG)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          \
   cerr << "[" #__VA_ARGS__ "]: ", dump(__VA_ARGS__)
#define int long long
int p;
int inf;

int add(int a, int b) { return (a + b + inf) % p; }
int mult(int a, int b) { return (a * b) % p; }

int32_t main() {
   int n, m;
   cin >> n >> m >> p;
   inf = p * p * 3;
   int res = 1;
   vector<int> X(m + 1);
   rep(i, n) {
      vector<int> cur(m + 1);
      int ac = 0;
      for (int j = 1; j <= m; j++) {

         int l = add(res, -X[m - j]);

         cur[j] = add(mult(j, l), -ac);
         cur[j] = add(cur[j], cur[j - 1]);

         ac = add(ac, X[j]);
      }
      X = cur;
      res = X.back();
      // debug(X, res);
   }
   cout << res << endl;
}