import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class Main {
  public static void main(String[] args) throws IOException {
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    String str = in.readLine();
    String[] w = str.split("");
    int[] cnt = new int[100];
    boolean flg = true;
    for(int i=0; i<str.length(); i++) {
      cnt[(int)w[i].charAt(0)-97]++;
    }
    
    for(int i=0; i<100; i++) {
      if(cnt[i]%2!=0) {
        System.out.println("No");
        flg = false;
        break;
      }
    }
    if(flg==true)
      System.out.println("Yes");
  }
} import java.io.BufferedReader; BufferedReader java.io import java.io.InputStreamReader; InputStreamReader java.io import java.io.IOException; IOException java.io public class Main {
  public static void main(String[] args) throws IOException {
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    String str = in.readLine();
    String[] w = str.split("");
    int[] cnt = new int[100];
    boolean flg = true;
    for(int i=0; i<str.length(); i++) {
      cnt[(int)w[i].charAt(0)-97]++;
    }
    
    for(int i=0; i<100; i++) {
      if(cnt[i]%2!=0) {
        System.out.println("No");
        flg = false;
        break;
      }
    }
    if(flg==true)
      System.out.println("Yes");
  }
} Main public static void main(String[] args) throws IOException {
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    String str = in.readLine();
    String[] w = str.split("");
    int[] cnt = new int[100];
    boolean flg = true;
    for(int i=0; i<str.length(); i++) {
      cnt[(int)w[i].charAt(0)-97]++;
    }
    
    for(int i=0; i<100; i++) {
      if(cnt[i]%2!=0) {
        System.out.println("No");
        flg = false;
        break;
      }
    }
    if(flg==true)
      System.out.println("Yes");
  } main {
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    String str = in.readLine();
    String[] w = str.split("");
    int[] cnt = new int[100];
    boolean flg = true;
    for(int i=0; i<str.length(); i++) {
      cnt[(int)w[i].charAt(0)-97]++;
    }
    
    for(int i=0; i<100; i++) {
      if(cnt[i]%2!=0) {
        System.out.println("No");
        flg = false;
        break;
      }
    }
    if(flg==true)
      System.out.println("Yes");
  } BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); in new BufferedReader(new InputStreamReader(System.in)) String str = in.readLine(); str in.readLine() in.readLine in String[] w = str.split(""); w str.split("") str.split str "" int[] cnt = new int[100]; cnt new int[100] 100 boolean flg = true; flg true for(int i=0; i<str.length(); i++) {
      cnt[(int)w[i].charAt(0)-97]++;
    } int i=0; int i=0; i 0 i<str.length() i str.length() str.length str i++ i++ i {
      cnt[(int)w[i].charAt(0)-97]++;
    } {
      cnt[(int)w[i].charAt(0)-97]++;
    } cnt[(int)w[i].charAt(0)-97]++ cnt[(int)w[i].charAt(0)-97] cnt (int)w[i].charAt(0)-97 (int)w[i].charAt(0) w[i].charAt w[i] w i 0 97 for(int i=0; i<100; i++) {
      if(cnt[i]%2!=0) {
        System.out.println("No");
        flg = false;
        break;
      }
    } int i=0; int i=0; i 0 i<100 i 100 i++ i++ i {
      if(cnt[i]%2!=0) {
        System.out.println("No");
        flg = false;
        break;
      }
    } {
      if(cnt[i]%2!=0) {
        System.out.println("No");
        flg = false;
        break;
      }
    } if(cnt[i]%2!=0) {
        System.out.println("No");
        flg = false;
        break;
      } cnt[i]%2!=0 cnt[i]%2 cnt[i] cnt i 2 0 {
        System.out.println("No");
        flg = false;
        break;
      } System.out.println("No") System.out.println System.out System System.out "No" flg = false flg false break; if(flg==true)
      System.out.println("Yes"); flg==true flg true System.out.println("Yes") System.out.println System.out System System.out "Yes" String[] args args public class Main {
  public static void main(String[] args) throws IOException {
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    String str = in.readLine();
    String[] w = str.split("");
    int[] cnt = new int[100];
    boolean flg = true;
    for(int i=0; i<str.length(); i++) {
      cnt[(int)w[i].charAt(0)-97]++;
    }
    
    for(int i=0; i<100; i++) {
      if(cnt[i]%2!=0) {
        System.out.println("No");
        flg = false;
        break;
      }
    }
    if(flg==true)
      System.out.println("Yes");
  }
} public class Main {
  public static void main(String[] args) throws IOException {
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    String str = in.readLine();
    String[] w = str.split("");
    int[] cnt = new int[100];
    boolean flg = true;
    for(int i=0; i<str.length(); i++) {
      cnt[(int)w[i].charAt(0)-97]++;
    }
    
    for(int i=0; i<100; i++) {
      if(cnt[i]%2!=0) {
        System.out.println("No");
        flg = false;
        break;
      }
    }
    if(flg==true)
      System.out.println("Yes");
  }
} Main
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class Main {
  public static void main(String[] args) throws IOException {
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    String str = in.readLine();
    String[] w = str.split("");
    int[] cnt = new int[100];
    boolean flg = true;
    for(int i=0; i<str.length(); i++) {
      cnt[(int)w[i].charAt(0)-97]++;
    }
    
    for(int i=0; i<100; i++) {
      if(cnt[i]%2!=0) {
        System.out.println("No");
        flg = false;
        break;
      }
    }
    if(flg==true)
      System.out.println("Yes");
  }
}