import java.util.Scanner;
import java.util.Arrays;

public class Main{
  public static void main(String[] ae){
    Scanner scan = new Scanner(System.in);
    
    String str = scan.next();
    
    int len = str.length();
    
    if(len % 2 != 0){
      System.out.println("No");
      return;
    }
    
    char[]chars = str.toCharArray();

    Arrays.sort(chars);
    String sorted = new String(chars);
    
    int cnt = 1, i;
    char a = sorted.charAt(0);
    
    for(i = 1; i < len; i++){
      if(a == sorted.charAt(i)){
        cnt++;
      }
      else{
        if(cnt % 2 != 0){
          System.out.println("No");
   		  return;
    	}
        else{
          a = sorted.charAt(i);
          cnt = 1;
        }
      }
    }
    System.out.println("Yes");
   }
} import java.util.Scanner; Scanner java.util import java.util.Arrays; Arrays java.util public class Main{
  public static void main(String[] ae){
    Scanner scan = new Scanner(System.in);
    
    String str = scan.next();
    
    int len = str.length();
    
    if(len % 2 != 0){
      System.out.println("No");
      return;
    }
    
    char[]chars = str.toCharArray();

    Arrays.sort(chars);
    String sorted = new String(chars);
    
    int cnt = 1, i;
    char a = sorted.charAt(0);
    
    for(i = 1; i < len; i++){
      if(a == sorted.charAt(i)){
        cnt++;
      }
      else{
        if(cnt % 2 != 0){
          System.out.println("No");
   		  return;
    	}
        else{
          a = sorted.charAt(i);
          cnt = 1;
        }
      }
    }
    System.out.println("Yes");
   }
} Main public static void main(String[] ae){
    Scanner scan = new Scanner(System.in);
    
    String str = scan.next();
    
    int len = str.length();
    
    if(len % 2 != 0){
      System.out.println("No");
      return;
    }
    
    char[]chars = str.toCharArray();

    Arrays.sort(chars);
    String sorted = new String(chars);
    
    int cnt = 1, i;
    char a = sorted.charAt(0);
    
    for(i = 1; i < len; i++){
      if(a == sorted.charAt(i)){
        cnt++;
      }
      else{
        if(cnt % 2 != 0){
          System.out.println("No");
   		  return;
    	}
        else{
          a = sorted.charAt(i);
          cnt = 1;
        }
      }
    }
    System.out.println("Yes");
   } main {
    Scanner scan = new Scanner(System.in);
    
    String str = scan.next();
    
    int len = str.length();
    
    if(len % 2 != 0){
      System.out.println("No");
      return;
    }
    
    char[]chars = str.toCharArray();

    Arrays.sort(chars);
    String sorted = new String(chars);
    
    int cnt = 1, i;
    char a = sorted.charAt(0);
    
    for(i = 1; i < len; i++){
      if(a == sorted.charAt(i)){
        cnt++;
      }
      else{
        if(cnt % 2 != 0){
          System.out.println("No");
   		  return;
    	}
        else{
          a = sorted.charAt(i);
          cnt = 1;
        }
      }
    }
    System.out.println("Yes");
   } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String str = scan.next(); str scan.next() scan.next scan int len = str.length(); len str.length() str.length str if(len % 2 != 0){
      System.out.println("No");
      return;
    } len % 2 != 0 len % 2 len 2 0 {
      System.out.println("No");
      return;
    } System.out.println("No") System.out.println System.out System System.out "No" return; char[]chars = str.toCharArray(); chars str.toCharArray() str.toCharArray str Arrays.sort(chars) Arrays.sort Arrays chars String sorted = new String(chars); sorted new String(chars) int cnt = 1 cnt 1 i; i char a = sorted.charAt(0); a sorted.charAt(0) sorted.charAt sorted 0 for(i = 1; i < len; i++){
      if(a == sorted.charAt(i)){
        cnt++;
      }
      else{
        if(cnt % 2 != 0){
          System.out.println("No");
   		  return;
    	}
        else{
          a = sorted.charAt(i);
          cnt = 1;
        }
      }
    } i = 1; i = 1 i 1 i < len i len i++ i++ i {
      if(a == sorted.charAt(i)){
        cnt++;
      }
      else{
        if(cnt % 2 != 0){
          System.out.println("No");
   		  return;
    	}
        else{
          a = sorted.charAt(i);
          cnt = 1;
        }
      }
    } {
      if(a == sorted.charAt(i)){
        cnt++;
      }
      else{
        if(cnt % 2 != 0){
          System.out.println("No");
   		  return;
    	}
        else{
          a = sorted.charAt(i);
          cnt = 1;
        }
      }
    } if(a == sorted.charAt(i)){
        cnt++;
      }
      else{
        if(cnt % 2 != 0){
          System.out.println("No");
   		  return;
    	}
        else{
          a = sorted.charAt(i);
          cnt = 1;
        }
      } a == sorted.charAt(i) a sorted.charAt(i) sorted.charAt sorted i {
        cnt++;
      } cnt++ cnt {
        if(cnt % 2 != 0){
          System.out.println("No");
   		  return;
    	}
        else{
          a = sorted.charAt(i);
          cnt = 1;
        }
      } if(cnt % 2 != 0){
          System.out.println("No");
   		  return;
    	}
        else{
          a = sorted.charAt(i);
          cnt = 1;
        } cnt % 2 != 0 cnt % 2 cnt 2 0 {
          System.out.println("No");
   		  return;
    	} System.out.println("No") System.out.println System.out System System.out "No" return; {
          a = sorted.charAt(i);
          cnt = 1;
        } a = sorted.charAt(i) a sorted.charAt(i) sorted.charAt sorted i cnt = 1 cnt 1 System.out.println("Yes") System.out.println System.out System System.out "Yes" String[] ae ae public class Main{
  public static void main(String[] ae){
    Scanner scan = new Scanner(System.in);
    
    String str = scan.next();
    
    int len = str.length();
    
    if(len % 2 != 0){
      System.out.println("No");
      return;
    }
    
    char[]chars = str.toCharArray();

    Arrays.sort(chars);
    String sorted = new String(chars);
    
    int cnt = 1, i;
    char a = sorted.charAt(0);
    
    for(i = 1; i < len; i++){
      if(a == sorted.charAt(i)){
        cnt++;
      }
      else{
        if(cnt % 2 != 0){
          System.out.println("No");
   		  return;
    	}
        else{
          a = sorted.charAt(i);
          cnt = 1;
        }
      }
    }
    System.out.println("Yes");
   }
} public class Main{
  public static void main(String[] ae){
    Scanner scan = new Scanner(System.in);
    
    String str = scan.next();
    
    int len = str.length();
    
    if(len % 2 != 0){
      System.out.println("No");
      return;
    }
    
    char[]chars = str.toCharArray();

    Arrays.sort(chars);
    String sorted = new String(chars);
    
    int cnt = 1, i;
    char a = sorted.charAt(0);
    
    for(i = 1; i < len; i++){
      if(a == sorted.charAt(i)){
        cnt++;
      }
      else{
        if(cnt % 2 != 0){
          System.out.println("No");
   		  return;
    	}
        else{
          a = sorted.charAt(i);
          cnt = 1;
        }
      }
    }
    System.out.println("Yes");
   }
} Main
import java.util.Scanner;
import java.util.Arrays;

public class Main{
  public static void main(String[] ae){
    Scanner scan = new Scanner(System.in);
    
    String str = scan.next();
    
    int len = str.length();
    
    if(len % 2 != 0){
      System.out.println("No");
      return;
    }
    
    char[]chars = str.toCharArray();

    Arrays.sort(chars);
    String sorted = new String(chars);
    
    int cnt = 1, i;
    char a = sorted.charAt(0);
    
    for(i = 1; i < len; i++){
      if(a == sorted.charAt(i)){
        cnt++;
      }
      else{
        if(cnt % 2 != 0){
          System.out.println("No");
   		  return;
    	}
        else{
          a = sorted.charAt(i);
          cnt = 1;
        }
      }
    }
    System.out.println("Yes");
   }
}