题解 | #数字颠倒#

const readline = require('readline');

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
});
rl.on('line', function (line) {
   let strLine=String(line)
   let newLine=''
   for(let i=0;i<strLine.length;i++){
       newLine+=strLine[strLine.length-1-i]
   }
    console.log(newLine)
});