题解 | #图片整理#

const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;

void async function () {
    // Write your code here
   const str = await readline()
   const arr = str.split("")
   arr.sort((a,b) => {
      return a.charCodeAt(0) - b.charCodeAt(0)
   })
   console.log(arr.join(""))
}()