def functionality(H, W):
    total_count = 0
    max_square_size = min(H, W)
    
    for s in range(1, max_square_size + 1):
        count_for_size = (H - s + 1) * (W - s + 1)
        total_count += count_for_size
    
    return total_count

H, W = map(int, input().split())
print(functionality(H, W))