diff --git a/timeTrack.py b/timeTrack.py
index 3755ea0..49d902d 100644
--- a/timeTrack.py
+++ b/timeTrack.py
@@ -3,7 +3,7 @@
 #
 # timeTrack.py
 # by 4nima
-# v.2.0.0
+# v.2.0.1
 #
 #########################
 # simple time tracking with database 
@@ -348,24 +348,24 @@ class TimeTrack:
                     logging.debug('Event younger than 1 day')
                     print('Vergangene Zeit: >{} Stunden'.format(int(elapsed.seconds/3600)))
 
-                userinput = ''
-                while True:
-                    if userinput == "F" or userinput == "f" or userinput == "1" \
-                        or userinput == "L" or userinput == "l" or userinput == "2" \
-                        or userinput == "A" or userinput == "a" or userinput == "3":
-                        break
+                userinput = 0
+                while not 0 < int(userinput) < 4:
                     print('Soll das Event fortgesetzt oder gelöscht werden?')
-                    print('[1/F/f] für fortsetzen')
-                    print('[2/L/l] für löschen')
-                    print('[3/A/a] für abbrechen')
+                    print('[1] für fortsetzen')
+                    print('[2] für löschen')
+                    print('[3] für abbrechen')
                     userinput = input('Aktion: ')
                     logging.debug('User input: {}'.format(userinput))
+                    try:
+                        int(userinput)
+                    except ValueError:
+                        userinput = 0
                     self.clear_screen()
 
-                if userinput == "F" or userinput == "f" or userinput == "1":
+                if userinput == "1":
                     logging.debug('Event should be continued')
                     self.time_stop()
-                elif userinput == "L" or userinput == "l" or userinput == "2":
+                elif userinput == "2":
                     logging.info('Event should be deleted (eventid: {})'.format(data[0]))
                     self.delete_event(data[0])
                     self.time_start()
@@ -383,21 +383,21 @@ class TimeTrack:
         logging.debug('Event stop progess is started')
         if data:
             self.clear_screen()
-            userinput = ''
-            while True:
-                if userinput == "B" or userinput == "b" or userinput == "1" \
-                    or userinput == "L" or userinput == "l" or userinput == "2" \
-                    or userinput == "A" or userinput == "a" or userinput == "3":
-                    break
+            userinput = 0
+            while not 0 < int(userinput) < 4:
                 print('Event von {} Uhr beenden?'.format(data[1].strftime("%H:%M")))
-                print('[1/B/b] für beenden')
-                print('[2/L/l] für löschen')
-                print('[3/A/a] für abbrechen')
+                print('[1] für beenden')
+                print('[2] für löschen')
+                print('[3] für abbrechen')
                 userinput = input('Aktion: ')
                 logging.debug('User input: {}'.format(userinput))
+                try:
+                    int(userinput)
+                except ValueError:
+                    userinput = 0
                 self.clear_screen()
 
-            if userinput == "B" or userinput == "b" or userinput == "1":
+            if userinput == "1":
                 logging.debug('Event is ended')
                 print('Eingabe beenden mittels doppelter Leerzeile.')
                 print('Durchgeführte Tätigkeiten:')
@@ -438,18 +438,20 @@ class TimeTrack:
                     self.delete_event(data[0])
                     self.print_time_entry(STARTTIME=data[1], ENDTIME=endtime, ACTIVITY=action)
                     print('Zeiteintrag wurde gespeichert.')
-                    while True:
-                        if userinput == "J" or userinput == "j" or userinput == "1" \
-                            or userinput == "N" or userinput == "n" or userinput == "2":
-                            break
-                        print('Nächsten Zeiteintrag begrinnen ?')
-                        print('[1/J/j] Ja')
-                        print('[2/N/n] Nein')
+                    userinput = 0
+                    while not 0 < int(userinput) < 3:
+                        print('Nächsten Zeiteintrag beginnen ?')
+                        print('[1] Ja')
+                        print('[2] Nein')
                         userinput = input('Aktion: ')
                         logging.debug('User input: {}'.format(userinput))
+                        try:
+                            int(userinput)
+                        except ValueError:
+                            userinput = 0
                         self.clear_screen()
 
-                    if userinput == "J" or userinput == "j" or userinput == "1":
+                    if userinput == "1":
                         self.time_start()
                     else:
                         logging.debug('Terminated by the user')
@@ -458,7 +460,7 @@ class TimeTrack:
                 
                 connect.close()
 
-            elif userinput == "L" or userinput == "l" or userinput == "2":
+            elif userinput == "2":
                 logging.info('Event should be deleted (eventid: {})'.format(data[0]))
                 self.delete_event(data[0])
             else: