import java.util.*;
public class Main {
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		String a = s.next();
		char[] ar = a.toCharArray();
		loop: for (int i = 0;i < ar.length;i++) {
			int y = 0;
			for (int m = 0;m < ar.length;m++) {
				if(ar[i] == ar[m]) {
					y += 1;
				}
				if(m == ar.length-1) {
					if(y % 2 == 1) {
						System.out.println("No");
						return;
						//break loop;
					}
				}
			}
		}
		System.out.println("Yes");
	}
} import java.util.*; util.* java public class Main {
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		String a = s.next();
		char[] ar = a.toCharArray();
		loop: for (int i = 0;i < ar.length;i++) {
			int y = 0;
			for (int m = 0;m < ar.length;m++) {
				if(ar[i] == ar[m]) {
					y += 1;
				}
				if(m == ar.length-1) {
					if(y % 2 == 1) {
						System.out.println("No");
						return;
						//break loop;
					}
				}
			}
		}
		System.out.println("Yes");
	}
} Main public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		String a = s.next();
		char[] ar = a.toCharArray();
		loop: for (int i = 0;i < ar.length;i++) {
			int y = 0;
			for (int m = 0;m < ar.length;m++) {
				if(ar[i] == ar[m]) {
					y += 1;
				}
				if(m == ar.length-1) {
					if(y % 2 == 1) {
						System.out.println("No");
						return;
						//break loop;
					}
				}
			}
		}
		System.out.println("Yes");
	} main {
		Scanner s = new Scanner(System.in);
		String a = s.next();
		char[] ar = a.toCharArray();
		loop: for (int i = 0;i < ar.length;i++) {
			int y = 0;
			for (int m = 0;m < ar.length;m++) {
				if(ar[i] == ar[m]) {
					y += 1;
				}
				if(m == ar.length-1) {
					if(y % 2 == 1) {
						System.out.println("No");
						return;
						//break loop;
					}
				}
			}
		}
		System.out.println("Yes");
	} Scanner s = new Scanner(System.in); s new Scanner(System.in) String a = s.next(); a s.next() s.next s char[] ar = a.toCharArray(); ar a.toCharArray() a.toCharArray a 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 s = new Scanner(System.in);
		String a = s.next();
		char[] ar = a.toCharArray();
		loop: for (int i = 0;i < ar.length;i++) {
			int y = 0;
			for (int m = 0;m < ar.length;m++) {
				if(ar[i] == ar[m]) {
					y += 1;
				}
				if(m == ar.length-1) {
					if(y % 2 == 1) {
						System.out.println("No");
						return;
						//break loop;
					}
				}
			}
		}
		System.out.println("Yes");
	}
} public class Main {
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		String a = s.next();
		char[] ar = a.toCharArray();
		loop: for (int i = 0;i < ar.length;i++) {
			int y = 0;
			for (int m = 0;m < ar.length;m++) {
				if(ar[i] == ar[m]) {
					y += 1;
				}
				if(m == ar.length-1) {
					if(y % 2 == 1) {
						System.out.println("No");
						return;
						//break loop;
					}
				}
			}
		}
		System.out.println("Yes");
	}
} Main
import java.util.*;
public class Main {
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		String a = s.next();
		char[] ar = a.toCharArray();
		loop: for (int i = 0;i < ar.length;i++) {
			int y = 0;
			for (int m = 0;m < ar.length;m++) {
				if(ar[i] == ar[m]) {
					y += 1;
				}
				if(m == ar.length-1) {
					if(y % 2 == 1) {
						System.out.println("No");
						return;
						//break loop;
					}
				}
			}
		}
		System.out.println("Yes");
	}
}