import java.util.*;
public class Main {
		
	public static void main(String[] args) {
		Scanner in=new Scanner (System.in);
		String w = in.next();
		int c=0;
		;int con=0;
		for (int i = 0; i < w.length(); i++) {
			for (int j = 0; j < w.length(); j++) {
				if(w.charAt(i)==w.charAt(j)) {
					c++;
				}
			}
			if(c%2!=0) {
				System.out.println("No");
				con++;
				break;
			}
			
		}
		if(con==0) {
			System.out.println("Yes");
		}
	}
} import java.util.*; util.* java public class Main {
		
	public static void main(String[] args) {
		Scanner in=new Scanner (System.in);
		String w = in.next();
		int c=0;
		;int con=0;
		for (int i = 0; i < w.length(); i++) {
			for (int j = 0; j < w.length(); j++) {
				if(w.charAt(i)==w.charAt(j)) {
					c++;
				}
			}
			if(c%2!=0) {
				System.out.println("No");
				con++;
				break;
			}
			
		}
		if(con==0) {
			System.out.println("Yes");
		}
	}
} Main public static void main(String[] args) {
		Scanner in=new Scanner (System.in);
		String w = in.next();
		int c=0;
		;int con=0;
		for (int i = 0; i < w.length(); i++) {
			for (int j = 0; j < w.length(); j++) {
				if(w.charAt(i)==w.charAt(j)) {
					c++;
				}
			}
			if(c%2!=0) {
				System.out.println("No");
				con++;
				break;
			}
			
		}
		if(con==0) {
			System.out.println("Yes");
		}
	} main {
		Scanner in=new Scanner (System.in);
		String w = in.next();
		int c=0;
		;int con=0;
		for (int i = 0; i < w.length(); i++) {
			for (int j = 0; j < w.length(); j++) {
				if(w.charAt(i)==w.charAt(j)) {
					c++;
				}
			}
			if(c%2!=0) {
				System.out.println("No");
				con++;
				break;
			}
			
		}
		if(con==0) {
			System.out.println("Yes");
		}
	} Scanner in=new Scanner (System.in); in new Scanner (System.in) String w = in.next(); w in.next() in.next in int c=0; c 0 int con=0; con 0 for (int i = 0; i < w.length(); i++) {
			for (int j = 0; j < w.length(); j++) {
				if(w.charAt(i)==w.charAt(j)) {
					c++;
				}
			}
			if(c%2!=0) {
				System.out.println("No");
				con++;
				break;
			}
			
		} int i = 0; int i = 0; i 0 i < w.length() i w.length() w.length w i++ i++ i {
			for (int j = 0; j < w.length(); j++) {
				if(w.charAt(i)==w.charAt(j)) {
					c++;
				}
			}
			if(c%2!=0) {
				System.out.println("No");
				con++;
				break;
			}
			
		} {
			for (int j = 0; j < w.length(); j++) {
				if(w.charAt(i)==w.charAt(j)) {
					c++;
				}
			}
			if(c%2!=0) {
				System.out.println("No");
				con++;
				break;
			}
			
		} for (int j = 0; j < w.length(); j++) {
				if(w.charAt(i)==w.charAt(j)) {
					c++;
				}
			} int j = 0; int j = 0; j 0 j < w.length() j w.length() w.length w j++ j++ j {
				if(w.charAt(i)==w.charAt(j)) {
					c++;
				}
			} {
				if(w.charAt(i)==w.charAt(j)) {
					c++;
				}
			} if(w.charAt(i)==w.charAt(j)) {
					c++;
				} w.charAt(i)==w.charAt(j) w.charAt(i) w.charAt w i w.charAt(j) w.charAt w j {
					c++;
				} c++ c if(c%2!=0) {
				System.out.println("No");
				con++;
				break;
			} c%2!=0 c%2 c 2 0 {
				System.out.println("No");
				con++;
				break;
			} System.out.println("No") System.out.println System.out System System.out "No" con++ con break; if(con==0) {
			System.out.println("Yes");
		} con==0 con 0 {
			System.out.println("Yes");
		} 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) {
		Scanner in=new Scanner (System.in);
		String w = in.next();
		int c=0;
		;int con=0;
		for (int i = 0; i < w.length(); i++) {
			for (int j = 0; j < w.length(); j++) {
				if(w.charAt(i)==w.charAt(j)) {
					c++;
				}
			}
			if(c%2!=0) {
				System.out.println("No");
				con++;
				break;
			}
			
		}
		if(con==0) {
			System.out.println("Yes");
		}
	}
} public class Main {
		
	public static void main(String[] args) {
		Scanner in=new Scanner (System.in);
		String w = in.next();
		int c=0;
		;int con=0;
		for (int i = 0; i < w.length(); i++) {
			for (int j = 0; j < w.length(); j++) {
				if(w.charAt(i)==w.charAt(j)) {
					c++;
				}
			}
			if(c%2!=0) {
				System.out.println("No");
				con++;
				break;
			}
			
		}
		if(con==0) {
			System.out.println("Yes");
		}
	}
} Main
import java.util.*;
public class Main {
		
	public static void main(String[] args) {
		Scanner in=new Scanner (System.in);
		String w = in.next();
		int c=0;
		;int con=0;
		for (int i = 0; i < w.length(); i++) {
			for (int j = 0; j < w.length(); j++) {
				if(w.charAt(i)==w.charAt(j)) {
					c++;
				}
			}
			if(c%2!=0) {
				System.out.println("No");
				con++;
				break;
			}
			
		}
		if(con==0) {
			System.out.println("Yes");
		}
	}
}