nadesiko, 149 bytes

Result

WA

Duration

1097ms

Code [DL]

JS{{{
process.stdin.on('data',s=>{var hw=(''+s).split("\n")for(var y=+hw[0];y-->0;)console.log("*"+(y>0&y<hw[0]-1?" ":"*").repeat(hw[1]-2)+"*")})
}}}

stdin

30
79

stdout

stderr

/usr/lib/node_modules/nadesiko3/src/nako3.js:153
      throw new NakoRuntimeError(
      ^

Error: [実行時エラー](0) SyntaxError:Unexpected token for
    at CNako3._run (/usr/lib/node_modules/nadesiko3/src/nako3.js:153:13)
    at CNako3.runReset (/usr/lib/node_modules/nadesiko3/src/nako3.js:165:17)
    at CNako3.execCommand (/usr/lib/node_modules/nadesiko3/src/cnako3.js:96:10)
    at Object.<anonymous> (/usr/lib/node_modules/nadesiko3/src/cnako3.js:181:10)
    at Module._compile (internal/modules/cjs/loader.js:689:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
    at Module.load (internal/modules/cjs/loader.js:599:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
    at Function.Module._load (internal/modules/cjs/loader.js:530:3)
    at Function.Module.runMain (internal/modules/cjs/loader.js:742:12)