# 愚直をジャッジに投げて、yukicoderを怖がらせましょう！

import sys
from itertools import product

MOD = 998244353
H, W = map(int, input().split())

ans = 0

for seq in product(range(2), repeat=H * W):
    grid = [[seq[i * W + j] for j in range(W)] for i in range(H)]
    is_ok = True

    for i in range(H - 1):
        for j in range(W - 1):
            left = sum(sum(grid[r][c] for c in range(j + 1)) for r in range(i + 1))
            right = sum(sum(grid[r][c] for c in range(j + 1, W)) for r in range(i + 1, H))

            if left % 2 == right % 2:
                is_ok = False

        if not is_ok:
            break

    if is_ok:
        for row in grid:
            print(*row, sep="", file=sys.stderr)
        print("---", file=sys.stderr)

print(ans)