import java.util.*;

public class Insert{
    public static void insert(String str, int a, int b){
        String[] strArray = str.split("-");

        int[] intArray = new int[strArray.length+2];
        
        for(int i=0; i<strArray.length; i++)
            intArray[i] = Integer.valueOf(strArray[i]);
        
        intArray[intArray.length-2] = a;
        intArray[intArray.length-1] = b;
        
        Arrays.sort(intArray);
        
        TreeSet<Integer> set = new TreeSet<Integer>();
        
        String output = "";
        
        for(int j=0; j<intArray.length; j++)
           set.add(intArray[j]);
        
        Iterator iterator = set.iterator();
        
        while(iterator.hasNext())
           output += iterator.next() +"-";
           
        System.out.println(output.substring(0, output.length()-1));
    }    
    
    public static void main(String args[]){
        String str = "1-2-3-4-6-11-13-16";
        int a = 4;
        int b = 17;
        
        insert(str, a, b);
    }    
}