while(True):
  invalidInput = False
  sum=0

  m = input ("Ievadi pirmo naturaalo skaitli:")
  if( m.isdigit()):
      m=int(m)
  else:
      invalidInput = True

  n = input ("Ievadi otro naturaalo skaitli:")
  if( n.isdigit()):
      n=int(n)
  else:
      invalidInput = True




  if invalidInput:
      print("Nav ievadits skaitlis")
  elif n < 0 or m < 0:
      print("Juus esat ievadiijusi negatiivu skaitli vai ciparus nevis skaitlus")
  else:
    x=n
    x=x-1
    reiz=1
    while(x != 0):
        reiz=reiz*10
        x=x-1
    i=1
    while(i <= reiz):
        j=i*10
        x=m//i%10
        sum+=x
        i=j
    print("Skaitla " + str(m) + " peedejo " + str(n) + " ciparu summa ir " + str(sum) + "\n")


  print("_________________________________\n")
  continueProgram = input ("Vai turpinaat (1) vai beigt (0)?\n")
  if continueProgram.isdigit():
      continueProgram=int(continueProgram)
      if continueProgram == 1:
        continue
      elif continueProgram == 0:
        break
      else:
        print("Nepareiza ievade, partrauc programmu...")
        break
  else:
    print("Nepareiza ievade, partrauc programmu...")
    break