import re

def generate_client_code(company_name, last_number):
    cleaned = re.sub(r'[^A-Za-z]', '', (company_name or '').upper())
    suffix = cleaned[:5] or "CLIENT"
    number = last_number + 1
    return f"{number:04d}-{suffix}"

def generate_service_code(service_name, last_number):
    cleaned = re.sub(r'[^A-Za-z]', '', (service_name or '').upper())
    suffix = cleaned[:5] or "SERVI"
    number = last_number + 1
    return f"SVC-{number:04d}-{suffix}"