import 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();
		if(A == B && C  != A || B == C && A != B || C == A && B != C) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		
	}
} import java.util.*; util.* java 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();
		if(A == B && C  != A || B == C && A != B || C == A && B != C) {
			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();
		if(A == B && C  != A || B == C && A != B || C == A && B != C) {
			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();
		if(A == B && C  != A || B == C && A != B || C == A && B != C) {
			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 if(A == B && C  != A || B == C && A != B || C == A && B != C) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		} A == B && C  != A || B == C && A != B || C == A && B != C A == B && C  != A || B == C && A != B || C == A && B != C A == B && C  != A A == B A B C  != A C A B == C && A != B B == C B C A != B A B C == A && B != C C == A C A B != C B 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 sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int C = sc.nextInt();
		if(A == B && C  != A || B == C && A != B || C == A && B != C) {
			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();
		if(A == B && C  != A || B == C && A != B || C == A && B != C) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		
	}
} Main
import 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();
		if(A == B && C  != A || B == C && A != B || C == A && B != C) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		
	}
}