import java.util.Scanner;

public class Main{
	public static void main(String[] args) {
		Scanner stdin =new Scanner(System.in);
		String s=stdin.next();
		int l=s.length();
		int i,j;
		int friend=0;
		boolean flag=true;
		char c[]=s.toCharArray();
		for(i=0;i<c.length;i++){
			for(j=0;j<c.length;j++)
				if(c[i]==c[j])
					friend++;

		if(friend%2!=0)
			flag=false;
		}
		if(flag)
			System.out.println("Yes");
		else if(!flag)
			System.out.println("No");
	}
} import java.util.Scanner; Scanner java.util public class Main{
	public static void main(String[] args) {
		Scanner stdin =new Scanner(System.in);
		String s=stdin.next();
		int l=s.length();
		int i,j;
		int friend=0;
		boolean flag=true;
		char c[]=s.toCharArray();
		for(i=0;i<c.length;i++){
			for(j=0;j<c.length;j++)
				if(c[i]==c[j])
					friend++;

		if(friend%2!=0)
			flag=false;
		}
		if(flag)
			System.out.println("Yes");
		else if(!flag)
			System.out.println("No");
	}
} Main public static void main(String[] args) {
		Scanner stdin =new Scanner(System.in);
		String s=stdin.next();
		int l=s.length();
		int i,j;
		int friend=0;
		boolean flag=true;
		char c[]=s.toCharArray();
		for(i=0;i<c.length;i++){
			for(j=0;j<c.length;j++)
				if(c[i]==c[j])
					friend++;

		if(friend%2!=0)
			flag=false;
		}
		if(flag)
			System.out.println("Yes");
		else if(!flag)
			System.out.println("No");
	} main {
		Scanner stdin =new Scanner(System.in);
		String s=stdin.next();
		int l=s.length();
		int i,j;
		int friend=0;
		boolean flag=true;
		char c[]=s.toCharArray();
		for(i=0;i<c.length;i++){
			for(j=0;j<c.length;j++)
				if(c[i]==c[j])
					friend++;

		if(friend%2!=0)
			flag=false;
		}
		if(flag)
			System.out.println("Yes");
		else if(!flag)
			System.out.println("No");
	} Scanner stdin =new Scanner(System.in); stdin new Scanner(System.in) String s=stdin.next(); s stdin.next() stdin.next stdin int l=s.length(); l s.length() s.length s int i i j; j int friend=0; friend 0 boolean flag=true; flag true char c[]=s.toCharArray(); c s.toCharArray() s.toCharArray s for(i=0;i<c.length;i++){
			for(j=0;j<c.length;j++)
				if(c[i]==c[j])
					friend++;

		if(friend%2!=0)
			flag=false;
		} i=0; i=0 i 0 i<c.length i c.length c c.length i++ i++ i {
			for(j=0;j<c.length;j++)
				if(c[i]==c[j])
					friend++;

		if(friend%2!=0)
			flag=false;
		} {
			for(j=0;j<c.length;j++)
				if(c[i]==c[j])
					friend++;

		if(friend%2!=0)
			flag=false;
		} for(j=0;j<c.length;j++)
				if(c[i]==c[j])
					friend++; j=0; j=0 j 0 j<c.length j c.length c c.length j++ j++ j if(c[i]==c[j])
					friend++; if(c[i]==c[j])
					friend++; c[i]==c[j] c[i] c i c[j] c j friend++ friend if(friend%2!=0)
			flag=false; friend%2!=0 friend%2 friend 2 0 flag=false flag false if(flag)
			System.out.println("Yes");
		else if(!flag)
			System.out.println("No"); flag System.out.println("Yes") System.out.println System.out System System.out "Yes" if(!flag)
			System.out.println("No"); !flag flag System.out.println("No") System.out.println System.out System System.out "No" String[] args args public class Main{
	public static void main(String[] args) {
		Scanner stdin =new Scanner(System.in);
		String s=stdin.next();
		int l=s.length();
		int i,j;
		int friend=0;
		boolean flag=true;
		char c[]=s.toCharArray();
		for(i=0;i<c.length;i++){
			for(j=0;j<c.length;j++)
				if(c[i]==c[j])
					friend++;

		if(friend%2!=0)
			flag=false;
		}
		if(flag)
			System.out.println("Yes");
		else if(!flag)
			System.out.println("No");
	}
} public class Main{
	public static void main(String[] args) {
		Scanner stdin =new Scanner(System.in);
		String s=stdin.next();
		int l=s.length();
		int i,j;
		int friend=0;
		boolean flag=true;
		char c[]=s.toCharArray();
		for(i=0;i<c.length;i++){
			for(j=0;j<c.length;j++)
				if(c[i]==c[j])
					friend++;

		if(friend%2!=0)
			flag=false;
		}
		if(flag)
			System.out.println("Yes");
		else if(!flag)
			System.out.println("No");
	}
} Main
import java.util.Scanner;

public class Main{
	public static void main(String[] args) {
		Scanner stdin =new Scanner(System.in);
		String s=stdin.next();
		int l=s.length();
		int i,j;
		int friend=0;
		boolean flag=true;
		char c[]=s.toCharArray();
		for(i=0;i<c.length;i++){
			for(j=0;j<c.length;j++)
				if(c[i]==c[j])
					friend++;

		if(friend%2!=0)
			flag=false;
		}
		if(flag)
			System.out.println("Yes");
		else if(!flag)
			System.out.println("No");
	}
}