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+package coderbyte;%0Aimport java.util.Scanner;%0A%0Apublic class easy_DashInsert %7B%0A%0A%09public static String function(int input)%7B%0A%09%09//initialize variables%0A%09%09StringBuilder s = new StringBuilder();%0A%09%09boolean first = false, second = false;%0A%09%09%0A%09%09while(input != 0)%7B //go through the integer backwards creating the string%0A%09%09%09int temp = input %25 10;  //cache first digit%0A%09%09%09input = input / 10;%09%09//remove first digit%0A%09%09%09second = (temp %25 2 != 0);//find out if temp is odd%0A%09%09%09%0A%09%09%09if(first && second) s.insert(0, %22-%22);%0A%09%09%09first = second;%0A%09%09%09s.insert(0, temp);%0A%09%09%7D%0A%09%09return s.toString();%0A%09%7D%0A%09%0A%09public static void main(String%5B%5D args) %7B%0A%09%09Scanner scan = new Scanner(System.in);%0A%09%09System.out.println( function( scan.nextInt() ) );%0A%09%7D%0A%7D%0A

Create easy_DashInsert.java