题解 | 牛妹数

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 = parseInt(await readline())
    if (lines >= 1 && lines <= 100) {
        if (lines % 2 === 0 && lines > 50) {
            console.log('yes')
        } else {
            console.log('no')
        }

    } else {
        console.log('输入数字非法')
    }
    rl.close()
}()