import sys

data = sys.stdin.read().split()
if data:
    target_N = int(data[0])
    target_H = int(data[1])
    MOD = 786433
    if target_H > 30:
        print(0)
        sys.exit(0)
    min_n = [0] * 35
    min_n[0] = 0
    min_n[1] = 1
    for h in range(2, 35):
        min_n[h] = min_n[h-1] + min_n[h-2] + 1
    dp = [[0] * (target_N + 1) for _ in range(target_H + 2)]
    dp[0][0] = 1
    if target_N >= 1:
        dp[1][1] = 1
    for h_idx in range(2, target_H + 2):
        h_real = h_idx - 1
        if min_n[h_real + 1] > target_N:
            break
        for n in range(min_n[h_real + 1], target_N + 1):
            ways = 0
            min_k = min_n[h_idx - 2]
            max_k = n - 1 - min_n[h_idx - 2]
            if min_k > max_k:
                continue
            for k in range(min_k, max_k + 1):
                r = n - 1 - k
                w1 = dp[h_idx-1][k] * dp[h_idx-1][r]
                w2 = dp[h_idx-1][k] * dp[h_idx-2][r]
                w3 = dp[h_idx-2][k] * dp[h_idx-1][r]
                ways += w1 + w2 + w3
            dp[h_idx][n] = ways % MOD
    print(dp[target_H + 1][target_N])