I'm unable to understand error in this program. Plz can you tell what's wrong

Question

https://code.sololearn.com/cxAEqF546rxX/?ref=app

Answer 1

S should be capital or include
import java.io.*; import java.util.*; as header files..

https://code.sololearn.com/cwxMN63v46Z5/?ref=app

Answer 2

Thanks bro🤗