题解 | #数字颠倒#

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 = await readline())) {
        let tokens = line.split("").reverse();
        // let a = parseInt(tokens[0]);
        // let b = parseInt(tokens[1]);
        let str = "";
        tokens.forEach((ele) => {
            str += ele;
        });
        console.log(str);
    }
})();