import java.util.*;

public class Main{
  public static void main(String[]args){
    Scanner sc = new Scanner(System.in);
    String S = sc.nextLine();
    int[] al = new int[26];
    for(int i = 0; i < S.length(); i++){
      al[(int)S.charAt(i) - 97]++;
    }
    
    for(int i = 0; i < 26; i++){
      if(al[i] % 2 != 0){
        System.out.println("No");
        return;
      }
    }
    
    System.out.println("Yes");
  }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz