A number is given as input.Find the maximum number that can be formed using the digits. Input Size : N <= 10000000 Sample Testcase : INPUT 4123 OUTPUT 4321 const readline = require("readline"); const inp = readline.createInterface({ input: process.stdin }); const userInput = []; inp.on("line", (data) => { userInput.push(data); }); inp.on("close", () => { var inp = userInput[0]; var arr = inp.split("").map((val)=>Number(val)) var sarr = arr.sort(function(a,b){return b-a}); var ans =sarr.join("") console.log(ans) });