import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String w = scan.next();
		if (w.length() % 2 == 1) {
			System.out.println("No");
			return;
		}
		int a = 'a';
		int z = 'z';
		boolean flag = true;
		for (int i = a; i <= z; i++) {
			int count = 0;
			for (int j = 0; j < w.length(); j++) {
				if (w.charAt(j) == i) {
					count++;
				}
			}
			if (count % 2 == 1) {
				flag = false;
				break;
			}
		}
		if (flag) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String w = scan.next();
		if (w.length() % 2 == 1) {
			System.out.println("No");
			return;
		}
		int a = 'a';
		int z = 'z';
		boolean flag = true;
		for (int i = a; i <= z; i++) {
			int count = 0;
			for (int j = 0; j < w.length(); j++) {
				if (w.charAt(j) == i) {
					count++;
				}
			}
			if (count % 2 == 1) {
				flag = false;
				break;
			}
		}
		if (flag) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

	}
} Main public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String w = scan.next();
		if (w.length() % 2 == 1) {
			System.out.println("No");
			return;
		}
		int a = 'a';
		int z = 'z';
		boolean flag = true;
		for (int i = a; i <= z; i++) {
			int count = 0;
			for (int j = 0; j < w.length(); j++) {
				if (w.charAt(j) == i) {
					count++;
				}
			}
			if (count % 2 == 1) {
				flag = false;
				break;
			}
		}
		if (flag) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

	} main {
		Scanner scan = new Scanner(System.in);
		String w = scan.next();
		if (w.length() % 2 == 1) {
			System.out.println("No");
			return;
		}
		int a = 'a';
		int z = 'z';
		boolean flag = true;
		for (int i = a; i <= z; i++) {
			int count = 0;
			for (int j = 0; j < w.length(); j++) {
				if (w.charAt(j) == i) {
					count++;
				}
			}
			if (count % 2 == 1) {
				flag = false;
				break;
			}
		}
		if (flag) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String w = scan.next(); w scan.next() scan.next scan if (w.length() % 2 == 1) {
			System.out.println("No");
			return;
		} w.length() % 2 == 1 w.length() % 2 w.length() w.length w 2 1 {
			System.out.println("No");
			return;
		} System.out.println("No") System.out.println System.out System System.out "No" return; int a = 'a'; a 'a' int z = 'z'; z 'z' boolean flag = true; flag true for (int i = a; i <= z; i++) {
			int count = 0;
			for (int j = 0; j < w.length(); j++) {
				if (w.charAt(j) == i) {
					count++;
				}
			}
			if (count % 2 == 1) {
				flag = false;
				break;
			}
		} int i = a; int i = a; i a i <= z i z i++ i++ i {
			int count = 0;
			for (int j = 0; j < w.length(); j++) {
				if (w.charAt(j) == i) {
					count++;
				}
			}
			if (count % 2 == 1) {
				flag = false;
				break;
			}
		} {
			int count = 0;
			for (int j = 0; j < w.length(); j++) {
				if (w.charAt(j) == i) {
					count++;
				}
			}
			if (count % 2 == 1) {
				flag = false;
				break;
			}
		} int count = 0; count 0 for (int j = 0; j < w.length(); j++) {
				if (w.charAt(j) == i) {
					count++;
				}
			} int j = 0; int j = 0; j 0 j < w.length() j w.length() w.length w j++ j++ j {
				if (w.charAt(j) == i) {
					count++;
				}
			} {
				if (w.charAt(j) == i) {
					count++;
				}
			} if (w.charAt(j) == i) {
					count++;
				} w.charAt(j) == i w.charAt(j) w.charAt w j i {
					count++;
				} count++ count if (count % 2 == 1) {
				flag = false;
				break;
			} count % 2 == 1 count % 2 count 2 1 {
				flag = false;
				break;
			} flag = false flag false break; if (flag) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		} flag {
			System.out.println("Yes");
		} System.out.println("Yes") System.out.println System.out System System.out "Yes" {
			System.out.println("No");
		} 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 scan = new Scanner(System.in);
		String w = scan.next();
		if (w.length() % 2 == 1) {
			System.out.println("No");
			return;
		}
		int a = 'a';
		int z = 'z';
		boolean flag = true;
		for (int i = a; i <= z; i++) {
			int count = 0;
			for (int j = 0; j < w.length(); j++) {
				if (w.charAt(j) == i) {
					count++;
				}
			}
			if (count % 2 == 1) {
				flag = false;
				break;
			}
		}
		if (flag) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

	}
} public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String w = scan.next();
		if (w.length() % 2 == 1) {
			System.out.println("No");
			return;
		}
		int a = 'a';
		int z = 'z';
		boolean flag = true;
		for (int i = a; i <= z; i++) {
			int count = 0;
			for (int j = 0; j < w.length(); j++) {
				if (w.charAt(j) == i) {
					count++;
				}
			}
			if (count % 2 == 1) {
				flag = false;
				break;
			}
		}
		if (flag) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String w = scan.next();
		if (w.length() % 2 == 1) {
			System.out.println("No");
			return;
		}
		int a = 'a';
		int z = 'z';
		boolean flag = true;
		for (int i = a; i <= z; i++) {
			int count = 0;
			for (int j = 0; j < w.length(); j++) {
				if (w.charAt(j) == i) {
					count++;
				}
			}
			if (count % 2 == 1) {
				flag = false;
				break;
			}
		}
		if (flag) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

	}
}