def count_element_freq(test_tuple):
  def flatten(test_tuple): 
  	for tup in test_tuple: 
  		if isinstance(tup, tuple): 
  			yield from flatten(tup) 
  		else: 
  			yield tup 
  
  res = {}
  for ele in flatten(test_tuple):
    if ele not in res:
      res[ele] = 0
    res[ele] += 1
  return (res) 
def count_ways(n):
	 
	A = [0] * (n + 1) 
	B = [0] * (n + 1) 
	A[0] = 1
	A[1] = 0
	B[0] = 0
	B[1] = 1
	for i in range(2, n+1): 
		A[i] = A[i - 2] + 2 * B[i - 1] 
		B[i] = A[i - 1] + B[i - 2] 
	return A[n] 