import java.util.Scanner;

public class Main {
  	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);

		int[] a = new int[3];

		for(int i = 0;i<3;i++){

			a[i] = sc.nextInt();

		}

		int sum = 0;

		if(a[0] == a[1]){
			sum++;
		}

		if(a[0] == a[2]){
			sum++;
		}

		if(a[1] == a[2]){
			sum++;
		}

		if(sum == 1){
			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 sc = new Scanner(System.in);

		int[] a = new int[3];

		for(int i = 0;i<3;i++){

			a[i] = sc.nextInt();

		}

		int sum = 0;

		if(a[0] == a[1]){
			sum++;
		}

		if(a[0] == a[2]){
			sum++;
		}

		if(a[1] == a[2]){
			sum++;
		}

		if(sum == 1){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		}


	}

} Main public static void main(String[] args){

		Scanner sc = new Scanner(System.in);

		int[] a = new int[3];

		for(int i = 0;i<3;i++){

			a[i] = sc.nextInt();

		}

		int sum = 0;

		if(a[0] == a[1]){
			sum++;
		}

		if(a[0] == a[2]){
			sum++;
		}

		if(a[1] == a[2]){
			sum++;
		}

		if(sum == 1){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		}


	} main {

		Scanner sc = new Scanner(System.in);

		int[] a = new int[3];

		for(int i = 0;i<3;i++){

			a[i] = sc.nextInt();

		}

		int sum = 0;

		if(a[0] == a[1]){
			sum++;
		}

		if(a[0] == a[2]){
			sum++;
		}

		if(a[1] == a[2]){
			sum++;
		}

		if(sum == 1){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		}


	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int[] a = new int[3]; a new int[3] 3 for(int i = 0;i<3;i++){

			a[i] = sc.nextInt();

		} int i = 0; int i = 0; i 0 i<3 i 3 i++ i++ i {

			a[i] = sc.nextInt();

		} {

			a[i] = sc.nextInt();

		} a[i] = sc.nextInt() a[i] a i sc.nextInt() sc.nextInt sc int sum = 0; sum 0 if(a[0] == a[1]){
			sum++;
		} a[0] == a[1] a[0] a 0 a[1] a 1 {
			sum++;
		} sum++ sum if(a[0] == a[2]){
			sum++;
		} a[0] == a[2] a[0] a 0 a[2] a 2 {
			sum++;
		} sum++ sum if(a[1] == a[2]){
			sum++;
		} a[1] == a[2] a[1] a 1 a[2] a 2 {
			sum++;
		} sum++ sum if(sum == 1){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		} sum == 1 sum 1 {
			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 = new int[3];

		for(int i = 0;i<3;i++){

			a[i] = sc.nextInt();

		}

		int sum = 0;

		if(a[0] == a[1]){
			sum++;
		}

		if(a[0] == a[2]){
			sum++;
		}

		if(a[1] == a[2]){
			sum++;
		}

		if(sum == 1){
			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 = new int[3];

		for(int i = 0;i<3;i++){

			a[i] = sc.nextInt();

		}

		int sum = 0;

		if(a[0] == a[1]){
			sum++;
		}

		if(a[0] == a[2]){
			sum++;
		}

		if(a[1] == a[2]){
			sum++;
		}

		if(sum == 1){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		}


	}

} Main
import java.util.Scanner;

public class Main {
  	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);

		int[] a = new int[3];

		for(int i = 0;i<3;i++){

			a[i] = sc.nextInt();

		}

		int sum = 0;

		if(a[0] == a[1]){
			sum++;
		}

		if(a[0] == a[2]){
			sum++;
		}

		if(a[1] == a[2]){
			sum++;
		}

		if(sum == 1){
			System.out.println("Yes");
		}
		else{
			System.out.println("No");
		}


	}

}