

import java.math.BigDecimal;
import java.util.*;

public class Main {
    
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String w = sc.next();
       
        String res = "Yes";
        for (char c='a'; c<='z'; c++){
            int count = 0;
            for (int i=0; i<w.length(); i++){
                if (w.charAt(i) == c){
                    count++;
                }
            }
            if (count%2 == 1){
                res = "No";
                break;
            }
        }
        System.out.println(res);
    }
}
/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