import java.util.*;

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

	}

} import java.util.*; util.* java 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());
	
		if((A == B && B == C) || (A != B) && (B != C) && (A!= C)) {
			System.out.println("No");
		} else {
			System.out.println("Yes");
		}
	

	}

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

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

	} 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 if((A == B && B == C) || (A != B) && (B != C) && (A!= C)) {
			System.out.println("No");
		} else {
			System.out.println("Yes");
		} (A == B && B == C) || (A != B) && (B != C) && (A!= C) (A == B && B == C) A == B A B B == C B C (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("No");
		} System.out.println("No") System.out.println System.out System System.out "No" {
			System.out.println("Yes");
		} System.out.println("Yes") System.out.println System.out System System.out "Yes" String[] args args
import java.util.*;

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

	}

}