n,m = map(int,input().split()) A = [0,1] B = [0,1] C = [0,1] for i in range(1,2*n): a,b,c = A[-1],B[-1],C[-1] A.append((a + (i + 1)*b) % m) B.append((a + b + (i + 1)*c) % m) C.append((a + b + c) % m) ans = 1 for i in range(1,2*n-1,2): ans *= C[i] ans %= m for i in range(1,2*n): ans *= i ans %= m print(ans)