import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		Scanner stdIn = new Scanner(System.in);
		int A = stdIn.nextInt();
		int B = stdIn.nextInt();
		int C = stdIn.nextInt();

		if(A == C && A != B){
			System.out.println("Yes");
		}
		else if(A == B && A != C){
			System.out.println("Yes");
		}
		else if(B == C && B != A){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		}
		stdIn.close();
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args){
		Scanner stdIn = new Scanner(System.in);
		int A = stdIn.nextInt();
		int B = stdIn.nextInt();
		int C = stdIn.nextInt();

		if(A == C && A != B){
			System.out.println("Yes");
		}
		else if(A == B && A != C){
			System.out.println("Yes");
		}
		else if(B == C && B != A){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		}
		stdIn.close();
	}
} Main public static void main(String[] args){
		Scanner stdIn = new Scanner(System.in);
		int A = stdIn.nextInt();
		int B = stdIn.nextInt();
		int C = stdIn.nextInt();

		if(A == C && A != B){
			System.out.println("Yes");
		}
		else if(A == B && A != C){
			System.out.println("Yes");
		}
		else if(B == C && B != A){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		}
		stdIn.close();
	} main {
		Scanner stdIn = new Scanner(System.in);
		int A = stdIn.nextInt();
		int B = stdIn.nextInt();
		int C = stdIn.nextInt();

		if(A == C && A != B){
			System.out.println("Yes");
		}
		else if(A == B && A != C){
			System.out.println("Yes");
		}
		else if(B == C && B != A){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		}
		stdIn.close();
	} Scanner stdIn = new Scanner(System.in); stdIn new Scanner(System.in) int A = stdIn.nextInt(); A stdIn.nextInt() stdIn.nextInt stdIn int B = stdIn.nextInt(); B stdIn.nextInt() stdIn.nextInt stdIn int C = stdIn.nextInt(); C stdIn.nextInt() stdIn.nextInt stdIn if(A == C && A != B){
			System.out.println("Yes");
		}
		else if(A == B && A != C){
			System.out.println("Yes");
		}
		else if(B == C && B != A){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		} A == C && A != B A == C A C A != B A B {
			System.out.println("Yes");
		} System.out.println("Yes") System.out.println System.out System System.out "Yes" if(A == B && A != C){
			System.out.println("Yes");
		}
		else if(B == C && B != A){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		} A == B && A != C A == B A B A != C A C {
			System.out.println("Yes");
		} System.out.println("Yes") System.out.println System.out System System.out "Yes" if(B == C && B != A){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		} B == C && B != A B == C B C B != A B A {
			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" stdIn.close() stdIn.close stdIn String[] args args public class Main {
	public static void main(String[] args){
		Scanner stdIn = new Scanner(System.in);
		int A = stdIn.nextInt();
		int B = stdIn.nextInt();
		int C = stdIn.nextInt();

		if(A == C && A != B){
			System.out.println("Yes");
		}
		else if(A == B && A != C){
			System.out.println("Yes");
		}
		else if(B == C && B != A){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		}
		stdIn.close();
	}
} public class Main {
	public static void main(String[] args){
		Scanner stdIn = new Scanner(System.in);
		int A = stdIn.nextInt();
		int B = stdIn.nextInt();
		int C = stdIn.nextInt();

		if(A == C && A != B){
			System.out.println("Yes");
		}
		else if(A == B && A != C){
			System.out.println("Yes");
		}
		else if(B == C && B != A){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		}
		stdIn.close();
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		Scanner stdIn = new Scanner(System.in);
		int A = stdIn.nextInt();
		int B = stdIn.nextInt();
		int C = stdIn.nextInt();

		if(A == C && A != B){
			System.out.println("Yes");
		}
		else if(A == B && A != C){
			System.out.println("Yes");
		}
		else if(B == C && B != A){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		}
		stdIn.close();
	}
}
