use, "strings" if arg == "nil" print, "Missed params: date of birth and current year" exit, 1 end strings:split, arg, " ", args if returned < 2 print, "Missed params: date of birth and current year" exit, 1 end strings:atoi, args[0] birth = returned strings:atoi, args[1] current = returned strings:itoa, current-birth append, "Age: ", returned print, returned