//文字列
import java.util.Scanner;
public class Main{

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		int[] w = new int[26];

		boolean flag = false;

		for(int i=0;i<s.length();i++) {

			w[s.charAt(i)-97] ++;

		}

		for(int i=0;i<26;i++) {

			if(w[i]!=0 && w[i]%2!=0) {

				flag = true;

				break;
			}
		}

		if(flag) System.out.println("No");

		else System.out.println("Yes");
	}

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

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		int[] w = new int[26];

		boolean flag = false;

		for(int i=0;i<s.length();i++) {

			w[s.charAt(i)-97] ++;

		}

		for(int i=0;i<26;i++) {

			if(w[i]!=0 && w[i]%2!=0) {

				flag = true;

				break;
			}
		}

		if(flag) System.out.println("No");

		else System.out.println("Yes");
	}

} Main public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		int[] w = new int[26];

		boolean flag = false;

		for(int i=0;i<s.length();i++) {

			w[s.charAt(i)-97] ++;

		}

		for(int i=0;i<26;i++) {

			if(w[i]!=0 && w[i]%2!=0) {

				flag = true;

				break;
			}
		}

		if(flag) System.out.println("No");

		else System.out.println("Yes");
	} main {

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		int[] w = new int[26];

		boolean flag = false;

		for(int i=0;i<s.length();i++) {

			w[s.charAt(i)-97] ++;

		}

		for(int i=0;i<26;i++) {

			if(w[i]!=0 && w[i]%2!=0) {

				flag = true;

				break;
			}
		}

		if(flag) System.out.println("No");

		else System.out.println("Yes");
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc int[] w = new int[26]; w new int[26] 26 boolean flag = false; flag false for(int i=0;i<s.length();i++) {

			w[s.charAt(i)-97] ++;

		} int i=0; int i=0; i 0 i<s.length() i s.length() s.length s i++ i++ i {

			w[s.charAt(i)-97] ++;

		} {

			w[s.charAt(i)-97] ++;

		} w[s.charAt(i)-97] ++ w[s.charAt(i)-97] w s.charAt(i)-97 s.charAt(i) s.charAt s i 97 for(int i=0;i<26;i++) {

			if(w[i]!=0 && w[i]%2!=0) {

				flag = true;

				break;
			}
		} int i=0; int i=0; i 0 i<26 i 26 i++ i++ i {

			if(w[i]!=0 && w[i]%2!=0) {

				flag = true;

				break;
			}
		} {

			if(w[i]!=0 && w[i]%2!=0) {

				flag = true;

				break;
			}
		} if(w[i]!=0 && w[i]%2!=0) {

				flag = true;

				break;
			} w[i]!=0 && w[i]%2!=0 w[i]!=0 w[i] w i 0 w[i]%2!=0 w[i]%2 w[i] w i 2 0 {

				flag = true;

				break;
			} flag = true flag true break; if(flag) System.out.println("No");

		else System.out.println("Yes"); flag System.out.println("No") System.out.println System.out System System.out "No" 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 sc = new Scanner(System.in);

		String s = sc.next();

		int[] w = new int[26];

		boolean flag = false;

		for(int i=0;i<s.length();i++) {

			w[s.charAt(i)-97] ++;

		}

		for(int i=0;i<26;i++) {

			if(w[i]!=0 && w[i]%2!=0) {

				flag = true;

				break;
			}
		}

		if(flag) System.out.println("No");

		else System.out.println("Yes");
	}

} public class Main{

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		int[] w = new int[26];

		boolean flag = false;

		for(int i=0;i<s.length();i++) {

			w[s.charAt(i)-97] ++;

		}

		for(int i=0;i<26;i++) {

			if(w[i]!=0 && w[i]%2!=0) {

				flag = true;

				break;
			}
		}

		if(flag) System.out.println("No");

		else System.out.println("Yes");
	}

} Main
//文字列
import java.util.Scanner;
public class Main{

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		int[] w = new int[26];

		boolean flag = false;

		for(int i=0;i<s.length();i++) {

			w[s.charAt(i)-97] ++;

		}

		for(int i=0;i<26;i++) {

			if(w[i]!=0 && w[i]%2!=0) {

				flag = true;

				break;
			}
		}

		if(flag) System.out.println("No");

		else System.out.println("Yes");
	}

}
