CODEKATA MATHS ELSE -1

Given a number N, print the odd digits in the number(space seperated) or print -1 if there is no odd digit in the given number.
Input Size : N <= 100000
Sample Testcase :
INPUT
2143
OUTPUT
1 3


const readline = require('readline');
 const inp = readline.createInterface({
  input: process.stdin
 });
 const userInput = [];
 inp.on("line", (data) => {
 userInput.push(data);
 });
 inp.on("close", () => {
 var data = userInput[0].split(" ");
 var a = (data[0]);
 var b = a.split('');
 var c=[];
 for(i=0;i<b.length;i++)
 {if(Number(b[i])%2!==0)
  c[i]=b[i]
 else
c[i]=0}
for(i=0;i<c.length;i++)

d=c.join("");
e=d.replace(/0/g,' ')
 console.log(e);
 });