import math

try:
    x_zero = float(input("X0 eingeben: "))
except ValueError as error:
    print(f"Value {error} is not a number")
    quit()

n = 1
T = x_zero - 4 + (math.e ** (x_zero/3)/3)
print(T)
while(T!=0):
    f_a2 = 1 + (math.e ** (x_zero/3)/9)
    x_zero -= T/f_a2
    T = x_zero - 4 + (math.e ** (x_zero/3)/3)
    n += 1
    print(T)
print(n)