csharp, 175 bytes

Result

WA

Duration

1157ms

Code [DL]

using System;class A{static int r=>int.Parse(Console.ReadLine());static void Main(){for(int h=r(),w=r(),i=++w*h;i-->0;)Console.Write(-~i%w>2&i>w&i<w*h-w?" ":i%w>0?"*":"\n");}}

stdin

13
27

stdout

Compilation failed: 2 error(s), 0 warnings

stderr

/tmp/code.cs(1,95): error CS0118: `A.r' is a `property' but a `method group' was expected
/tmp/code.cs(1,101): error CS0118: `A.r' is a `property' but a `method group' was expected
Cannot open assembly '/tmp/code.exe': No such file or directory.
rm: can't remove '/tmp/code.exe': No such file or directory