function asyncFn(){
 return new Promise((resolve, reject) => {
   (true)
    ? setTimeout(() => resolve("Bien!"),3000)
    : reject(new Error("Mal"))
 });
}

async function result(){
  try{
    const res = await asyncFn();
    console.log(res)
  }catch(err){
    console.log(err.message)
  }
}

result();
console.log("Hola mundo")