Add spaces: Ifyouwantahealthinsurancecardbothinyourcountryofresidenceandinthecountrywhereyouusedtowork,youshouldregisterwithaS3forminthecountrywhereyouusedtowork.
If you want a health insurance card both in your country of residence and in the country where you used to work, you should register with a S3 form in the country where you used to work.