# Ces programmes sont sous licence CeCILL-B V1.

nom = ["" for i in range(0,10)]
tel = ["" for i in range(0,10)]
nom[0] = "Alice"
tel[0] = "0606060606"
nom[1] = "Bob"
tel[1] = "0606060607"
nom[2] = "Charles"
tel[2] = "0606060608"
nom[3] = "Djamel"
tel[3] = "0606060609"
nom[4] = "Etienne"
tel[4] = "0606060610"
nom[5] = "Frédérique"
tel[5] = "0606060611"
nom[6] = "Guillaume"
tel[6] = "0606060612"
nom[7] = "Hector"
tel[7] = "0606060613"
nom[8] = "Isabelle"
tel[8] = "0606060614"
nom[9] = "Jérôme"
tel[9] = "0606060615"

s = input()
i = 0
j = 9
while i < j:
  k = (i + j) // 2 
  if s == nom[k]:
    i = k
    j = k
  elif s < nom[k]:
    j = k - 1
  else:
    i = k + 1
if s == nom[i]:
  print(tel[i])
else:
  print("Inconnu")