Unloading YML at OZON.ru

To create a script to import the goods on Ozone.

1) at the input link YML with the goods and modifications
2) the ID of the bundles of sections should be stored in a file or database.
3) the script needs to run on a schedule
4) the script needs to update the balances on ozone in accordance with the YML file

Need quite urgently. A period of 4 days.