import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());
		int c = Integer.parseInt(sc.next());
		
		String ans = "";
		if(a == b && b == c ) {
			ans = "No";
		}else if(a != b && a!= c && b != c ) {
			ans = "No";
		}else {
			ans = "Yes";
		}
		
		System.out.println(ans);

	}



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

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());
		int c = Integer.parseInt(sc.next());
		
		String ans = "";
		if(a == b && b == c ) {
			ans = "No";
		}else if(a != b && a!= c && b != c ) {
			ans = "No";
		}else {
			ans = "Yes";
		}
		
		System.out.println(ans);

	}



} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());
		int c = Integer.parseInt(sc.next());
		
		String ans = "";
		if(a == b && b == c ) {
			ans = "No";
		}else if(a != b && a!= c && b != c ) {
			ans = "No";
		}else {
			ans = "Yes";
		}
		
		System.out.println(ans);

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

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());
		int c = Integer.parseInt(sc.next());
		
		String ans = "";
		if(a == b && b == c ) {
			ans = "No";
		}else if(a != b && a!= c && b != c ) {
			ans = "No";
		}else {
			ans = "Yes";
		}
		
		System.out.println(ans);

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = Integer.parseInt(sc.next()); a Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int b = Integer.parseInt(sc.next()); b Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int c = Integer.parseInt(sc.next()); c Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc String ans = ""; ans "" if(a == b && b == c ) {
			ans = "No";
		}else if(a != b && a!= c && b != c ) {
			ans = "No";
		}else {
			ans = "Yes";
		} a == b && b == c a == b a b b == c b c {
			ans = "No";
		} ans = "No" ans "No" if(a != b && a!= c && b != c ) {
			ans = "No";
		}else {
			ans = "Yes";
		} a != b && a!= c && b != c a != b && a!= c && b != c a != b a b a!= c a c b != c b c {
			ans = "No";
		} ans = "No" ans "No" {
			ans = "Yes";
		} ans = "Yes" ans "Yes" System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());
		int c = Integer.parseInt(sc.next());
		
		String ans = "";
		if(a == b && b == c ) {
			ans = "No";
		}else if(a != b && a!= c && b != c ) {
			ans = "No";
		}else {
			ans = "Yes";
		}
		
		System.out.println(ans);

	}



} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());
		int c = Integer.parseInt(sc.next());
		
		String ans = "";
		if(a == b && b == c ) {
			ans = "No";
		}else if(a != b && a!= c && b != c ) {
			ans = "No";
		}else {
			ans = "Yes";
		}
		
		System.out.println(ans);

	}



} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());
		int c = Integer.parseInt(sc.next());
		
		String ans = "";
		if(a == b && b == c ) {
			ans = "No";
		}else if(a != b && a!= c && b != c ) {
			ans = "No";
		}else {
			ans = "Yes";
		}
		
		System.out.println(ans);

	}



}