题解 | #统计每个月兔子的总数#

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
    while(line = parseInt(await readline())){
	  // 1. 利用js的结构赋值来换算
        let [a,b] = [1,1]
        for(let i = 2;i<line;i++){
            [a,b] = [b,a+b]
        }
        console.log(b)
    }
}()