import sys

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

dp = [0] * 3010
dp[0] = 1

for lp in range(N):

    ndp = [0] * 3010

    for i in range(len(dp)):
        if dp[i] == 0:
            continue

        if i-1 >= 0:
            ndp[i-1] = (ndp[i-1] + dp[i]) % mod
        ndp[i+2] = (ndp[i+2] + dp[i]) % mod

    dp = ndp

print (dp[0])