import re
def transform_record(record):
new_record = re.sub(r',(?=\d)', r',+1-',record)
return new_record
print(transform_record("Sabrina Green,802-867-5309,System Administrator"))
aW1wb3J0IHJlCmRlZiB0cmFuc2Zvcm1fcmVjb3JkKHJlY29yZCk6CiAgbmV3X3JlY29yZCA9IHJlLnN1YihyJywoPz1cZCknLCByJywrMS0nLHJlY29yZCkKICByZXR1cm4gbmV3X3JlY29yZAoKcHJpbnQodHJhbnNmb3JtX3JlY29yZCgiU2FicmluYSBHcmVlbiw4MDItODY3LTUzMDksU3lzdGVtIEFkbWluaXN0cmF0b3IiKSkg