how to write mysql error and out log with timestamp

Question

How to write the error.log file and out.log file with timestamp for each line.??

mysqlcheck -u root -pPASS --check --quick --auto-repair test  >> /var/log/sample/out.log 2>>/var/log/sample/error.log 

I want the timestamp to write for each error line and each output line.How to do it the above line?