import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
	// write your code here
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        if(a==b){
            if(c != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(a==c){
            if(b != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(b==c){
            if(a != b)
                System.out.println("Yes");
            else
                System.out.println("No");

        } else{
            System.out.println("No");
        }
    }
} import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
	// write your code here
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        if(a==b){
            if(c != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(a==c){
            if(b != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(b==c){
            if(a != b)
                System.out.println("Yes");
            else
                System.out.println("No");

        } else{
            System.out.println("No");
        }
    }
} Main public static void main(String[] args) {
	// write your code here
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        if(a==b){
            if(c != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(a==c){
            if(b != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(b==c){
            if(a != b)
                System.out.println("Yes");
            else
                System.out.println("No");

        } else{
            System.out.println("No");
        }
    } main {
	// write your code here
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        if(a==b){
            if(c != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(a==c){
            if(b != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(b==c){
            if(a != b)
                System.out.println("Yes");
            else
                System.out.println("No");

        } 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){
            if(c != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(a==c){
            if(b != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(b==c){
            if(a != b)
                System.out.println("Yes");
            else
                System.out.println("No");

        } else{
            System.out.println("No");
        } a==b a b {
            if(c != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } if(c != a)
                System.out.println("Yes");
            else
                System.out.println("No"); c != a c a System.out.println("Yes") System.out.println System.out System System.out "Yes" System.out.println("No") System.out.println System.out System System.out "No" if(a==c){
            if(b != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(b==c){
            if(a != b)
                System.out.println("Yes");
            else
                System.out.println("No");

        } else{
            System.out.println("No");
        } a==c a c {
            if(b != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } if(b != a)
                System.out.println("Yes");
            else
                System.out.println("No"); b != a b a System.out.println("Yes") System.out.println System.out System System.out "Yes" System.out.println("No") System.out.println System.out System System.out "No" if(b==c){
            if(a != b)
                System.out.println("Yes");
            else
                System.out.println("No");

        } else{
            System.out.println("No");
        } b==c b c {
            if(a != b)
                System.out.println("Yes");
            else
                System.out.println("No");

        } if(a != b)
                System.out.println("Yes");
            else
                System.out.println("No"); a != b a b System.out.println("Yes") System.out.println System.out System System.out "Yes" System.out.println("No") System.out.println System.out System System.out "No" {
            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) {
	// write your code here
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        if(a==b){
            if(c != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(a==c){
            if(b != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(b==c){
            if(a != b)
                System.out.println("Yes");
            else
                System.out.println("No");

        } else{
            System.out.println("No");
        }
    }
} public class Main {

    public static void main(String[] args) {
	// write your code here
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        if(a==b){
            if(c != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(a==c){
            if(b != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(b==c){
            if(a != b)
                System.out.println("Yes");
            else
                System.out.println("No");

        } else{
            System.out.println("No");
        }
    }
} Main
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
	// write your code here
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        if(a==b){
            if(c != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(a==c){
            if(b != a)
                System.out.println("Yes");
            else
                System.out.println("No");
        } else if(b==c){
            if(a != b)
                System.out.println("Yes");
            else
                System.out.println("No");

        } else{
            System.out.println("No");
        }
    }
}
