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(' ');
//         let a = parseInt(tokens[0]);
//         let b = parseInt(tokens[1]);
//         console.log(a + b);
//     }
// }()


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

void async function () {
    while(line = await readline()) {
		//同字符串的反转
        const result = String(line).split('').reverse().join('')
        console.log(result)
    }
}()