Cops are hunting for three goons who they suspect brutally beat a 19-year-old in Sunset Park on Oct. 8, leaving him bloodied and stealing his backpack. Anyone with information regarding the incident is asked to call Crime Stoppers at (800) 577-8477. The public can also submit tips by logging onto the Crime Stoppers website at www.nypdcrimestoppers.com or by texting tips to 274637 (CRIMES) then entering TIP577. All tips are strictly confidential.