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 str = ''; for(let i of line) { if(/[^A-Za-z]$/.test(i)){ str += " " }else { str +=i; } } const res =str.split(" ").reverse().join(" "); console.log(res); } }()