Have the function DashInsert(str) insert dashes ('-') between each two odd numbers in str. For example: if str is 454793 the output should be 4547-9-3. Don't count zero as an odd number.

DashInsert.js

function DashInsert(str) { 
  
  str = str.split('').map(function (item) {
    if (item%2 != 0) {
    	return item + "-";
  	}
  	return item;
  }).join('');
  str = str.split('');
  return str[str.length-1]%2 == 0 ? str.join(''): str.join('').substring(0, str.length - 1);
}
   
// keep this function call here 
// to see how to enter arguments in JavaScript scroll down
DashInsert(readline());