# Ces programmes sont sous licence CeCILL-B V1.

t = [0 for i in range(0,4)]
t[3] = 2
t[2] = 8
t[1] = 7
t[0] = 3

# Affichage de la fonction
for i in range(0,4):
  print(t[i],end ="")
  if i != 0:
    print(" x",end="")
    if i != 1:
      print("^",end="")
      print(i,end="")
  if i != 3:
    print(" + ",end="")
print()

# Calcul de la valeur de la fonction
x = 5
y = 0
c = 1
for i in range(0,4):
  y = y + t[i] * c
  c = c * x
print(y)

# Calcul de la dérivée de la fonction
u = [0 for i in range(0,4)]
for i in range(0,3):
  u[i] = t[i+1] * (i + 1)
u[3] = 0


# Affichage de la dérivée
for i in range(0,4):
  print(u[i],end ="")
  if i != 0:
    print(" x",end="")
    if i != 1:
      print("^",end="")
      print(i,end="")
  if i != 3:
    print(" + ",end="")
print()