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n = int(input())

digits_sum = [0, 1]
step = [1]

for i in range(2, 21):
    first_list = step
    second_list = [ x+1 for x in first_list ]
    step = first_list + second_list
    digits_sum += step
    
prefix_sum = [0] * 1000001 
target = 0

for i in range(1, 1000001):
    next_sum = prefix_sum[i-1] + digits_sum[i]
    prefix_sum[i] = next_sum
    if next_sum >= n:
        target = i
        break

target_sum = prefix_sum[target]      
diff_sum = target_sum - n
diff_value = len(digits_sum[:target]) - digits_sum[:target][::-1].index(diff_sum) - 1
sequence = [ str(x) for x in range(target, 0, -1) if x != diff_value]
  
print(len(sequence))
print(" ".join(sequence))