题解 | 牛牛学加法

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

void async function(){
    const lines=await readline()
    const arr=lines.split(' ')

    const a =parseInt(arr[0])
    const b =parseInt(arr[1])
    console.log(a+b)
    rl.close()
}()