import java.util.Scanner;
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&&b==c){
            System.out.println("No");
        }
        else if(a==b){
            System.out.println("Yes");
        }
        else if(b==c){
            System.out.println("Yes");
        }
        else if(c==a){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        }
        sc.close();
    }
} import java.util.Scanner; Scanner java.util 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&&b==c){
            System.out.println("No");
        }
        else if(a==b){
            System.out.println("Yes");
        }
        else if(b==c){
            System.out.println("Yes");
        }
        else if(c==a){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        }
        sc.close();
    }
} 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&&b==c){
            System.out.println("No");
        }
        else if(a==b){
            System.out.println("Yes");
        }
        else if(b==c){
            System.out.println("Yes");
        }
        else if(c==a){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        }
        sc.close();
    } main {
		Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
        int c=sc.nextInt();

        if(a==b&&b==c){
            System.out.println("No");
        }
        else if(a==b){
            System.out.println("Yes");
        }
        else if(b==c){
            System.out.println("Yes");
        }
        else if(c==a){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        }
        sc.close();
    } 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&&b==c){
            System.out.println("No");
        }
        else if(a==b){
            System.out.println("Yes");
        }
        else if(b==c){
            System.out.println("Yes");
        }
        else if(c==a){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        } a==b&&b==c a==b a b b==c b c {
            System.out.println("No");
        } System.out.println("No") System.out.println System.out System System.out "No" if(a==b){
            System.out.println("Yes");
        }
        else if(b==c){
            System.out.println("Yes");
        }
        else if(c==a){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        } a==b a b {
            System.out.println("Yes");
        } System.out.println("Yes") System.out.println System.out System System.out "Yes" if(b==c){
            System.out.println("Yes");
        }
        else if(c==a){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        } b==c b c {
            System.out.println("Yes");
        } System.out.println("Yes") System.out.println System.out System System.out "Yes" if(c==a){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        } c==a c a {
            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" sc.close() sc.close sc String args[] args
import java.util.Scanner;
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&&b==c){
            System.out.println("No");
        }
        else if(a==b){
            System.out.println("Yes");
        }
        else if(b==c){
            System.out.println("Yes");
        }
        else if(c==a){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        }
        sc.close();
    }
}