#place hold
global i
global result
class extract:
 def times(array, times):
  i = 0
  arrlen=len(array)-1
  result=""
  for num in array:
   result=result+unichr(num - arrlen + (i * times))
   i=i+1
 return result
 
 def notimes(array):
  i = 0
  result=""
  arrlen=len(array)-1
  for num in array:
   result=result+unichr(num - arrlen + i)
   i=i+1
 return result
