import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int n1 = sc.nextInt();
		int n2 = sc.nextInt();
		int n3 = sc.nextInt();
		int count =0;

		if(n1 == n2){
			count++;
		}
		if(n1 == n3){
			count++;
		}
		if(n2 == n3){
			count++;
		}
		if(count == 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 n1 = sc.nextInt();
		int n2 = sc.nextInt();
		int n3 = sc.nextInt();
		int count =0;

		if(n1 == n2){
			count++;
		}
		if(n1 == n3){
			count++;
		}
		if(n2 == n3){
			count++;
		}
		if(count == 1){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}

		}
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int n1 = sc.nextInt();
		int n2 = sc.nextInt();
		int n3 = sc.nextInt();
		int count =0;

		if(n1 == n2){
			count++;
		}
		if(n1 == n3){
			count++;
		}
		if(n2 == n3){
			count++;
		}
		if(count == 1){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}

		} main {
		Scanner sc = new Scanner(System.in);
		int n1 = sc.nextInt();
		int n2 = sc.nextInt();
		int n3 = sc.nextInt();
		int count =0;

		if(n1 == n2){
			count++;
		}
		if(n1 == n3){
			count++;
		}
		if(n2 == n3){
			count++;
		}
		if(count == 1){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}

		} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n1 = sc.nextInt(); n1 sc.nextInt() sc.nextInt sc int n2 = sc.nextInt(); n2 sc.nextInt() sc.nextInt sc int n3 = sc.nextInt(); n3 sc.nextInt() sc.nextInt sc int count =0; count 0 if(n1 == n2){
			count++;
		} n1 == n2 n1 n2 {
			count++;
		} count++ count if(n1 == n3){
			count++;
		} n1 == n3 n1 n3 {
			count++;
		} count++ count if(n2 == n3){
			count++;
		} n2 == n3 n2 n3 {
			count++;
		} count++ count if(count == 1){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		} count == 1 count 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 n1 = sc.nextInt();
		int n2 = sc.nextInt();
		int n3 = sc.nextInt();
		int count =0;

		if(n1 == n2){
			count++;
		}
		if(n1 == n3){
			count++;
		}
		if(n2 == n3){
			count++;
		}
		if(count == 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 n1 = sc.nextInt();
		int n2 = sc.nextInt();
		int n3 = sc.nextInt();
		int count =0;

		if(n1 == n2){
			count++;
		}
		if(n1 == n3){
			count++;
		}
		if(n2 == n3){
			count++;
		}
		if(count == 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 n1 = sc.nextInt();
		int n2 = sc.nextInt();
		int n3 = sc.nextInt();
		int count =0;

		if(n1 == n2){
			count++;
		}
		if(n1 == n3){
			count++;
		}
		if(n2 == n3){
			count++;
		}
		if(count == 1){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}

		}
}