# 1005.py

def sommax (f,g,x): return f(x)+g(x)

def compx (f,g,x): return f(g(x))

def u(x): return x**2

def v(x): return 4*x+1

print sommax(u,v,5)
# output: 46

print compx(u,v,5)
# output: 441

#######################################

def somma (f,g):
  def s(x): return f(x)+g(x)
  return s

def comp (f,g):
  def c(x): return f(g(x))
  return c

def u(x): return x**2

def v(x): return 4*x+1

print somma(u,v)(5)
# output: 46

print comp(u,v)(5)
# output: 441