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#include <cstdio>
using namespace std;

#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define FORD(i,a,b) for(int i=(b)-1;i>=(a);--i)
#define REP(i,n) FOR(i,0,n)
#define REPD(i,n) FORD(i,0,n)
#define INT(x) int x; scanf("%d", &x)

typedef long long LL;

int r[10000000], x[10000000], y[10000001];

int main() {
	INT(n);
	INT(m);
	INT(p);
	REP(i,n) {
		if (!i) REP(j,m) r[j] = m - j;
		else REP(j,m) r[j] = (LL(m - j) * ((x[0] + p - x[m - j]) % p) % p + p - y[j + 1]) % p;
		x[m - 1] = y[m - 1] = r[m - 1];
		REPD(j,m-1) x[j] = (r[j] + x[j + 1]) % p;
		REPD(j,m-1) y[j] = (x[j] + y[j + 1]) % p;
	}
	printf("%d\n", x[0]);
}