import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;

public final class Main {
	public static void main(String[] args) throws java.lang.Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String arg = br.readLine();
		Solver s = new Solver();
		System.out.println(s.solve(arg));
	}

}

class Solver {

	String solve(String s) {

		int in[] = new int[26];
		for (int i = 0; i < s.length(); i++) {
			in[s.charAt(i) - 'a']++;
		}
		int t = 0;
		for (int j = 0; j < in.length; j++) {
			t |= (in[j] & 1);
		}
		if (t > 0)
			return "No";
		else
			return "Yes";

	}

} import java.io.BufferedReader; BufferedReader java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.ArrayList; ArrayList java.util public final class Main {
	public static void main(String[] args) throws java.lang.Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String arg = br.readLine();
		Solver s = new Solver();
		System.out.println(s.solve(arg));
	}

} Main public static void main(String[] args) throws java.lang.Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String arg = br.readLine();
		Solver s = new Solver();
		System.out.println(s.solve(arg));
	} main {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String arg = br.readLine();
		Solver s = new Solver();
		System.out.println(s.solve(arg));
	} BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String arg = br.readLine(); arg br.readLine() br.readLine br Solver s = new Solver(); s new Solver() System.out.println(s.solve(arg)) System.out.println System.out System System.out s.solve(arg) s.solve s arg String[] args args class Solver {

	String solve(String s) {

		int in[] = new int[26];
		for (int i = 0; i < s.length(); i++) {
			in[s.charAt(i) - 'a']++;
		}
		int t = 0;
		for (int j = 0; j < in.length; j++) {
			t |= (in[j] & 1);
		}
		if (t > 0)
			return "No";
		else
			return "Yes";

	}

} Solver String solve(String s) {

		int in[] = new int[26];
		for (int i = 0; i < s.length(); i++) {
			in[s.charAt(i) - 'a']++;
		}
		int t = 0;
		for (int j = 0; j < in.length; j++) {
			t |= (in[j] & 1);
		}
		if (t > 0)
			return "No";
		else
			return "Yes";

	} solve {

		int in[] = new int[26];
		for (int i = 0; i < s.length(); i++) {
			in[s.charAt(i) - 'a']++;
		}
		int t = 0;
		for (int j = 0; j < in.length; j++) {
			t |= (in[j] & 1);
		}
		if (t > 0)
			return "No";
		else
			return "Yes";

	} int in[] = new int[26]; in new int[26] 26 for (int i = 0; i < s.length(); i++) {
			in[s.charAt(i) - 'a']++;
		} int i = 0; int i = 0; i 0 i < s.length() i s.length() s.length s i++ i++ i {
			in[s.charAt(i) - 'a']++;
		} {
			in[s.charAt(i) - 'a']++;
		} in[s.charAt(i) - 'a']++ in[s.charAt(i) - 'a'] in s.charAt(i) - 'a' s.charAt(i) s.charAt s i 'a' int t = 0; t 0 for (int j = 0; j < in.length; j++) {
			t |= (in[j] & 1);
		} int j = 0; int j = 0; j 0 j < in.length j in.length in in.length j++ j++ j {
			t |= (in[j] & 1);
		} {
			t |= (in[j] & 1);
		} t |= (in[j] & 1) t (in[j] & 1) in[j] in j 1 if (t > 0)
			return "No";
		else
			return "Yes"; t > 0 t 0 return "No"; "No" return "Yes"; "Yes" String s s public final class Main {
	public static void main(String[] args) throws java.lang.Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String arg = br.readLine();
		Solver s = new Solver();
		System.out.println(s.solve(arg));
	}

} public final class Main {
	public static void main(String[] args) throws java.lang.Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String arg = br.readLine();
		Solver s = new Solver();
		System.out.println(s.solve(arg));
	}

} Main
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;

public final class Main {
	public static void main(String[] args) throws java.lang.Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String arg = br.readLine();
		Solver s = new Solver();
		System.out.println(s.solve(arg));
	}

}

class Solver {

	String solve(String s) {

		int in[] = new int[26];
		for (int i = 0; i < s.length(); i++) {
			in[s.charAt(i) - 'a']++;
		}
		int t = 0;
		for (int j = 0; j < in.length; j++) {
			t |= (in[j] & 1);
		}
		if (t > 0)
			return "No";
		else
			return "Yes";

	}

}
