/** We are both programmers.

* so I write some code to express my love to you.*/

const i = new Boy('xiaoyin')
const u = new Girl('xiaohuang')
const distance:number = 1001
while (distance > 0) {
  u.waitForMe()
  i.runToU()
  distance -= 1
}
// 如果我们之间的距离有1001步，那么
// 我就来走那1001步，你不要后退就好了

-- 爱你的小尹