-fixed a bug in show numbers

main.py

@@ -141,6 +141,8 @@ def run_show_numbers(path):
     if choice ==1:
         clear()
         terme = int(input('Enter a number: '))
+        while terme < 0:
+            terme = int(input('Enter a number: '))
         t = app_functions.dec_to_church(terme)
         print('Voici le terme:',logic.to_string(t))
         logic.captureImage(t,path,'ENTIER'+str(terme),False)