N, MOD = map(int, input().split())

dp = [[0]*3 for _ in range(N*2+1)]
dp[0][0] = 1
for i in range(N*2):
    for j in range(3):
        if dp[i][j] == 0: continue
        for k in range(3):
            if j == 2 and k == 0: continue
            if j <= k:
                dp[i+1][k] += dp[i][j]
                dp[i+1][k] %= MOD
            else:
                dp[i+1][k] += dp[i][j]*(i+1)%MOD
                dp[i+1][k] %= MOD

ans = 1
for i in range(1, N*2-2, 2):
    ans *= dp[i][2]
    ans %= MOD
for i in range(1, N*2):
    ans *= i
    ans %= MOD

print(ans)