from math import *

def f(x):
   return x - cos(x)

def fp(x):
   return 1.0 + sin(x)

x = 1.0
n = 5

x = float(x)
print "x0", " = ", x
for i in range( n ):
   x = x - f(x) / fp(x)
   print "x" + str(i+1), " = ", x