import java.util.Scanner;

public class Main {
	public static void main (String args[]) {
		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		
		if( a == b && b == c) {
			System.out.println("No");
		} else if(a == b || b == c || a == c) {
			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 scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		
		if( a == b && b == c) {
			System.out.println("No");
		} else if(a == b || b == c || a == c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
} Main public static void main (String args[]) {
		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		
		if( a == b && b == c) {
			System.out.println("No");
		} else if(a == b || b == c || a == c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	} main {
		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		
		if( a == b && b == c) {
			System.out.println("No");
		} else if(a == b || b == c || a == c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int a = scan.nextInt(); a scan.nextInt() scan.nextInt scan int b = scan.nextInt(); b scan.nextInt() scan.nextInt scan int c = scan.nextInt(); c scan.nextInt() scan.nextInt scan if( a == b && b == c) {
			System.out.println("No");
		} else if(a == b || b == c || a == c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		} a == b && b == c a == b a b b == c b c {
			System.out.println("No");
		} System.out.println("No") System.out.println System.out System System.out "No" if(a == b || b == c || a == c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		} a == b || b == c || a == c a == b || b == c || a == c a == b a b b == c b c a == c a c {
			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 scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		
		if( a == b && b == c) {
			System.out.println("No");
		} else if(a == b || b == c || a == c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
} public class Main {
	public static void main (String args[]) {
		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		
		if( a == b && b == c) {
			System.out.println("No");
		} else if(a == b || b == c || a == c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main (String args[]) {
		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();
		int c = scan.nextInt();
		
		if( a == b && b == c) {
			System.out.println("No");
		} else if(a == b || b == c || a == c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
}