#include <cstdio>

// 以下定义只是为了好看
#define i32 int
#define i64 long long
#define u32 unsigned int
#define u64 unsigned long long

const int MAXN = 3e3, MAXK = MAXN / 3;
int N, K, P;
i64 dp[MAXN + 5][MAXK + 5];

int main()
{
	scanf("%d %d %d", &N, &K, &P);
	dp[0][0] = 1 % P;
	for (int i = 1; i <= N; i++)
	{
		for (int j = K; j >= 1; j--)
		{
			dp[i][j] = dp[i - 1][j] * (i - 1) % P;
			if (i >= 3) dp[i][j] += dp[i - 3][j - 1] * (i - 1) % P * (i - 2) % P;
			dp[i][j] %= P;
		}
	}
	printf("%lld\n", dp[N][K]);
	return 0;
}