phone rings, pick up the phone
ask user for: dice (five values) and keep info (five booleans)
              action (either roll or store)
              sequence of entries (history) 
              roll number 
if user has no data: 
  generate dice 
  roll = 1
else: 
  if user requests the action to store:
    if user already requests an entry: 
      add the dice as that entry in the history 
      regenerate the dice, reactivate roll, holding devices 
      roll = 1
    else: 
      prepare the storage options for the user 
      holding options are being made empty 
      action control to roll is disabled (empty) 
  else:     
    if user doesn't want to keep dice1 regenerate it
    ... 
    if user doesn't want to keep dice5 regenerate it
    roll += 1
    if roll == 3: disable the action control 

give the user the dice and the roll number 
give the user the options to specify which dice to hold
give the user the two action controls: roll, store