import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		boolean flag = false;

		if (a == b && b != c) {
			flag = true;
		} else if (b == c && c != a) {
			flag = true;
		} else if (c == a && a != b) {
			flag = true;
		}

		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 sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		boolean flag = false;

		if (a == b && b != c) {
			flag = true;
		} else if (b == c && c != a) {
			flag = true;
		} else if (c == a && a != b) {
			flag = true;
		}

		if (flag) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

	}

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

		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		boolean flag = false;

		if (a == b && b != c) {
			flag = true;
		} else if (b == c && c != a) {
			flag = true;
		} else if (c == a && a != b) {
			flag = true;
		}

		if (flag) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

	} main {

		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		boolean flag = false;

		if (a == b && b != c) {
			flag = true;
		} else if (b == c && c != a) {
			flag = true;
		} else if (c == a && a != b) {
			flag = true;
		}

		if (flag) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc boolean flag = false; flag false if (a == b && b != c) {
			flag = true;
		} else if (b == c && c != a) {
			flag = true;
		} else if (c == a && a != b) {
			flag = true;
		} a == b && b != c a == b a b b != c b c {
			flag = true;
		} flag = true flag true if (b == c && c != a) {
			flag = true;
		} else if (c == a && a != b) {
			flag = true;
		} b == c && c != a b == c b c c != a c a {
			flag = true;
		} flag = true flag true if (c == a && a != b) {
			flag = true;
		} c == a && a != b c == a c a a != b a b {
			flag = true;
		} flag = true flag true 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 sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		boolean flag = false;

		if (a == b && b != c) {
			flag = true;
		} else if (b == c && c != a) {
			flag = true;
		} else if (c == a && a != b) {
			flag = true;
		}

		if (flag) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

	}

} public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		boolean flag = false;

		if (a == b && b != c) {
			flag = true;
		} else if (b == c && c != a) {
			flag = true;
		} else if (c == a && a != b) {
			flag = true;
		}

		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 sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		boolean flag = false;

		if (a == b && b != c) {
			flag = true;
		} else if (b == c && c != a) {
			flag = true;
		} else if (c == a && a != b) {
			flag = true;
		}

		if (flag) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}

	}

}
