
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Main main = new Main();
		main.solveD();
	}

	private void solveA() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int A = sc.nextInt();
		int B = sc.nextInt();

		int NA = N * A;

		if (NA > B) {
			System.out.println(B);
		} else {
			System.out.println(NA);
		}
	}

	private void solveB() {
		Scanner sc = new Scanner(System.in);

		String N = sc.nextLine();

		int iN = Integer.parseInt(N);

		String[] str = N.split("");

		int I = 0;
		for (int i = 0; i < str.length; i++) {
			int I2 = Integer.parseInt(str[i]);
			I += I2;
		}
		if (iN % I == 0) {
			System.out.println("Yes");
		} else if (iN % I != 0) {
			System.out.println("No");
		}

	}

	private void solveC() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int K = sc.nextInt();
		int X = sc.nextInt();
		int Y = sc.nextInt();

		int NX = N * X;
		int NKY = (N - K) * Y;

		if (N <= K) {
			System.out.println(NX);
		} else {
			System.out.println(K * X + (N - K) * Y);
		}
	}

	private void solveD() {
		Scanner sc = new Scanner(System.in);

		String W = sc.nextLine();
		String[] str = W.split("");

		String word = "abcdefghijklmnopqrstuvwxyz";
		String[] w = word.split("");

		int math = 0;

		for (int i = 0; i < w.length; i++) {
			for (int j = 0; j < str.length; j++) {
				if (w[i].equals(str[j])) {
					math++;
				}
			}
			if (math % 2 != 0) {
				break;
			}
		}
		if (math % 2 == 0) {
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}

	}

	private void solveE() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	}

	private void solveF() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	}

} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Main main = new Main();
		main.solveD();
	}

	private void solveA() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int A = sc.nextInt();
		int B = sc.nextInt();

		int NA = N * A;

		if (NA > B) {
			System.out.println(B);
		} else {
			System.out.println(NA);
		}
	}

	private void solveB() {
		Scanner sc = new Scanner(System.in);

		String N = sc.nextLine();

		int iN = Integer.parseInt(N);

		String[] str = N.split("");

		int I = 0;
		for (int i = 0; i < str.length; i++) {
			int I2 = Integer.parseInt(str[i]);
			I += I2;
		}
		if (iN % I == 0) {
			System.out.println("Yes");
		} else if (iN % I != 0) {
			System.out.println("No");
		}

	}

	private void solveC() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int K = sc.nextInt();
		int X = sc.nextInt();
		int Y = sc.nextInt();

		int NX = N * X;
		int NKY = (N - K) * Y;

		if (N <= K) {
			System.out.println(NX);
		} else {
			System.out.println(K * X + (N - K) * Y);
		}
	}

	private void solveD() {
		Scanner sc = new Scanner(System.in);

		String W = sc.nextLine();
		String[] str = W.split("");

		String word = "abcdefghijklmnopqrstuvwxyz";
		String[] w = word.split("");

		int math = 0;

		for (int i = 0; i < w.length; i++) {
			for (int j = 0; j < str.length; j++) {
				if (w[i].equals(str[j])) {
					math++;
				}
			}
			if (math % 2 != 0) {
				break;
			}
		}
		if (math % 2 == 0) {
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}

	}

	private void solveE() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	}

	private void solveF() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	}

} Main public static void main(String[] args) {
		Main main = new Main();
		main.solveD();
	} main {
		Main main = new Main();
		main.solveD();
	} Main main = new Main(); main new Main() main.solveD() main.solveD main String[] args args private void solveA() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int A = sc.nextInt();
		int B = sc.nextInt();

		int NA = N * A;

		if (NA > B) {
			System.out.println(B);
		} else {
			System.out.println(NA);
		}
	} solveA {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int A = sc.nextInt();
		int B = sc.nextInt();

		int NA = N * A;

		if (NA > B) {
			System.out.println(B);
		} else {
			System.out.println(NA);
		}
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int A = sc.nextInt(); A sc.nextInt() sc.nextInt sc int B = sc.nextInt(); B sc.nextInt() sc.nextInt sc int NA = N * A; NA N * A N A if (NA > B) {
			System.out.println(B);
		} else {
			System.out.println(NA);
		} NA > B NA B {
			System.out.println(B);
		} System.out.println(B) System.out.println System.out System System.out B {
			System.out.println(NA);
		} System.out.println(NA) System.out.println System.out System System.out NA private void solveB() {
		Scanner sc = new Scanner(System.in);

		String N = sc.nextLine();

		int iN = Integer.parseInt(N);

		String[] str = N.split("");

		int I = 0;
		for (int i = 0; i < str.length; i++) {
			int I2 = Integer.parseInt(str[i]);
			I += I2;
		}
		if (iN % I == 0) {
			System.out.println("Yes");
		} else if (iN % I != 0) {
			System.out.println("No");
		}

	} solveB {
		Scanner sc = new Scanner(System.in);

		String N = sc.nextLine();

		int iN = Integer.parseInt(N);

		String[] str = N.split("");

		int I = 0;
		for (int i = 0; i < str.length; i++) {
			int I2 = Integer.parseInt(str[i]);
			I += I2;
		}
		if (iN % I == 0) {
			System.out.println("Yes");
		} else if (iN % I != 0) {
			System.out.println("No");
		}

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String N = sc.nextLine(); N sc.nextLine() sc.nextLine sc int iN = Integer.parseInt(N); iN Integer.parseInt(N) Integer.parseInt Integer N String[] str = N.split(""); str N.split("") N.split N "" int I = 0; I 0 for (int i = 0; i < str.length; i++) {
			int I2 = Integer.parseInt(str[i]);
			I += I2;
		} int i = 0; int i = 0; i 0 i < str.length i str.length str str.length i++ i++ i {
			int I2 = Integer.parseInt(str[i]);
			I += I2;
		} {
			int I2 = Integer.parseInt(str[i]);
			I += I2;
		} int I2 = Integer.parseInt(str[i]); I2 Integer.parseInt(str[i]) Integer.parseInt Integer str[i] str i I += I2 I I2 if (iN % I == 0) {
			System.out.println("Yes");
		} else if (iN % I != 0) {
			System.out.println("No");
		} iN % I == 0 iN % I iN I 0 {
			System.out.println("Yes");
		} System.out.println("Yes") System.out.println System.out System System.out "Yes" if (iN % I != 0) {
			System.out.println("No");
		} iN % I != 0 iN % I iN I 0 {
			System.out.println("No");
		} System.out.println("No") System.out.println System.out System System.out "No" private void solveC() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int K = sc.nextInt();
		int X = sc.nextInt();
		int Y = sc.nextInt();

		int NX = N * X;
		int NKY = (N - K) * Y;

		if (N <= K) {
			System.out.println(NX);
		} else {
			System.out.println(K * X + (N - K) * Y);
		}
	} solveC {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int K = sc.nextInt();
		int X = sc.nextInt();
		int Y = sc.nextInt();

		int NX = N * X;
		int NKY = (N - K) * Y;

		if (N <= K) {
			System.out.println(NX);
		} else {
			System.out.println(K * X + (N - K) * Y);
		}
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int K = sc.nextInt(); K sc.nextInt() sc.nextInt sc int X = sc.nextInt(); X sc.nextInt() sc.nextInt sc int Y = sc.nextInt(); Y sc.nextInt() sc.nextInt sc int NX = N * X; NX N * X N X int NKY = (N - K) * Y; NKY (N - K) * Y (N - K) N K Y if (N <= K) {
			System.out.println(NX);
		} else {
			System.out.println(K * X + (N - K) * Y);
		} N <= K N K {
			System.out.println(NX);
		} System.out.println(NX) System.out.println System.out System System.out NX {
			System.out.println(K * X + (N - K) * Y);
		} System.out.println(K * X + (N - K) * Y) System.out.println System.out System System.out K * X + (N - K) * Y K * X K X (N - K) * Y (N - K) N K Y private void solveD() {
		Scanner sc = new Scanner(System.in);

		String W = sc.nextLine();
		String[] str = W.split("");

		String word = "abcdefghijklmnopqrstuvwxyz";
		String[] w = word.split("");

		int math = 0;

		for (int i = 0; i < w.length; i++) {
			for (int j = 0; j < str.length; j++) {
				if (w[i].equals(str[j])) {
					math++;
				}
			}
			if (math % 2 != 0) {
				break;
			}
		}
		if (math % 2 == 0) {
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}

	} solveD {
		Scanner sc = new Scanner(System.in);

		String W = sc.nextLine();
		String[] str = W.split("");

		String word = "abcdefghijklmnopqrstuvwxyz";
		String[] w = word.split("");

		int math = 0;

		for (int i = 0; i < w.length; i++) {
			for (int j = 0; j < str.length; j++) {
				if (w[i].equals(str[j])) {
					math++;
				}
			}
			if (math % 2 != 0) {
				break;
			}
		}
		if (math % 2 == 0) {
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String W = sc.nextLine(); W sc.nextLine() sc.nextLine sc String[] str = W.split(""); str W.split("") W.split W "" String word = "abcdefghijklmnopqrstuvwxyz"; word "abcdefghijklmnopqrstuvwxyz" String[] w = word.split(""); w word.split("") word.split word "" int math = 0; math 0 for (int i = 0; i < w.length; i++) {
			for (int j = 0; j < str.length; j++) {
				if (w[i].equals(str[j])) {
					math++;
				}
			}
			if (math % 2 != 0) {
				break;
			}
		} int i = 0; int i = 0; i 0 i < w.length i w.length w w.length i++ i++ i {
			for (int j = 0; j < str.length; j++) {
				if (w[i].equals(str[j])) {
					math++;
				}
			}
			if (math % 2 != 0) {
				break;
			}
		} {
			for (int j = 0; j < str.length; j++) {
				if (w[i].equals(str[j])) {
					math++;
				}
			}
			if (math % 2 != 0) {
				break;
			}
		} for (int j = 0; j < str.length; j++) {
				if (w[i].equals(str[j])) {
					math++;
				}
			} int j = 0; int j = 0; j 0 j < str.length j str.length str str.length j++ j++ j {
				if (w[i].equals(str[j])) {
					math++;
				}
			} {
				if (w[i].equals(str[j])) {
					math++;
				}
			} if (w[i].equals(str[j])) {
					math++;
				} w[i].equals(str[j]) w[i].equals w[i] w i str[j] str j {
					math++;
				} math++ math if (math % 2 != 0) {
				break;
			} math % 2 != 0 math % 2 math 2 0 {
				break;
			} break; if (math % 2 == 0) {
			System.out.println("Yes");
		}else{
			System.out.println("No");
		} math % 2 == 0 math % 2 math 2 0 {
			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" private void solveE() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	} solveE {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc System.out.println(N) System.out.println System.out System System.out N private void solveF() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	} solveF {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc System.out.println(N) System.out.println System.out System System.out N public class Main {
	public static void main(String[] args) {
		Main main = new Main();
		main.solveD();
	}

	private void solveA() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int A = sc.nextInt();
		int B = sc.nextInt();

		int NA = N * A;

		if (NA > B) {
			System.out.println(B);
		} else {
			System.out.println(NA);
		}
	}

	private void solveB() {
		Scanner sc = new Scanner(System.in);

		String N = sc.nextLine();

		int iN = Integer.parseInt(N);

		String[] str = N.split("");

		int I = 0;
		for (int i = 0; i < str.length; i++) {
			int I2 = Integer.parseInt(str[i]);
			I += I2;
		}
		if (iN % I == 0) {
			System.out.println("Yes");
		} else if (iN % I != 0) {
			System.out.println("No");
		}

	}

	private void solveC() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int K = sc.nextInt();
		int X = sc.nextInt();
		int Y = sc.nextInt();

		int NX = N * X;
		int NKY = (N - K) * Y;

		if (N <= K) {
			System.out.println(NX);
		} else {
			System.out.println(K * X + (N - K) * Y);
		}
	}

	private void solveD() {
		Scanner sc = new Scanner(System.in);

		String W = sc.nextLine();
		String[] str = W.split("");

		String word = "abcdefghijklmnopqrstuvwxyz";
		String[] w = word.split("");

		int math = 0;

		for (int i = 0; i < w.length; i++) {
			for (int j = 0; j < str.length; j++) {
				if (w[i].equals(str[j])) {
					math++;
				}
			}
			if (math % 2 != 0) {
				break;
			}
		}
		if (math % 2 == 0) {
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}

	}

	private void solveE() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	}

	private void solveF() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	}

} public class Main {
	public static void main(String[] args) {
		Main main = new Main();
		main.solveD();
	}

	private void solveA() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int A = sc.nextInt();
		int B = sc.nextInt();

		int NA = N * A;

		if (NA > B) {
			System.out.println(B);
		} else {
			System.out.println(NA);
		}
	}

	private void solveB() {
		Scanner sc = new Scanner(System.in);

		String N = sc.nextLine();

		int iN = Integer.parseInt(N);

		String[] str = N.split("");

		int I = 0;
		for (int i = 0; i < str.length; i++) {
			int I2 = Integer.parseInt(str[i]);
			I += I2;
		}
		if (iN % I == 0) {
			System.out.println("Yes");
		} else if (iN % I != 0) {
			System.out.println("No");
		}

	}

	private void solveC() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int K = sc.nextInt();
		int X = sc.nextInt();
		int Y = sc.nextInt();

		int NX = N * X;
		int NKY = (N - K) * Y;

		if (N <= K) {
			System.out.println(NX);
		} else {
			System.out.println(K * X + (N - K) * Y);
		}
	}

	private void solveD() {
		Scanner sc = new Scanner(System.in);

		String W = sc.nextLine();
		String[] str = W.split("");

		String word = "abcdefghijklmnopqrstuvwxyz";
		String[] w = word.split("");

		int math = 0;

		for (int i = 0; i < w.length; i++) {
			for (int j = 0; j < str.length; j++) {
				if (w[i].equals(str[j])) {
					math++;
				}
			}
			if (math % 2 != 0) {
				break;
			}
		}
		if (math % 2 == 0) {
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}

	}

	private void solveE() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	}

	private void solveF() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	}

} Main

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Main main = new Main();
		main.solveD();
	}

	private void solveA() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int A = sc.nextInt();
		int B = sc.nextInt();

		int NA = N * A;

		if (NA > B) {
			System.out.println(B);
		} else {
			System.out.println(NA);
		}
	}

	private void solveB() {
		Scanner sc = new Scanner(System.in);

		String N = sc.nextLine();

		int iN = Integer.parseInt(N);

		String[] str = N.split("");

		int I = 0;
		for (int i = 0; i < str.length; i++) {
			int I2 = Integer.parseInt(str[i]);
			I += I2;
		}
		if (iN % I == 0) {
			System.out.println("Yes");
		} else if (iN % I != 0) {
			System.out.println("No");
		}

	}

	private void solveC() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int K = sc.nextInt();
		int X = sc.nextInt();
		int Y = sc.nextInt();

		int NX = N * X;
		int NKY = (N - K) * Y;

		if (N <= K) {
			System.out.println(NX);
		} else {
			System.out.println(K * X + (N - K) * Y);
		}
	}

	private void solveD() {
		Scanner sc = new Scanner(System.in);

		String W = sc.nextLine();
		String[] str = W.split("");

		String word = "abcdefghijklmnopqrstuvwxyz";
		String[] w = word.split("");

		int math = 0;

		for (int i = 0; i < w.length; i++) {
			for (int j = 0; j < str.length; j++) {
				if (w[i].equals(str[j])) {
					math++;
				}
			}
			if (math % 2 != 0) {
				break;
			}
		}
		if (math % 2 == 0) {
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}

	}

	private void solveE() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	}

	private void solveF() {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		System.out.println(N);
	}

}