def damn():
 a = list((input().split()))
 c = []
 for i in range(len(a)):
  v = a[i]
  b = v.lower()
  if b == "you":
   c.append("u")
  elif b == "for":
   c.append("4")
  elif b == "to":
   c.append("2")
  elif b == "and":
   c.append("n")
  else:
   d = b[0]
   c.append(d.upper())
 print("".join(c))
damn()