import 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();
        boolean judge1 = (a==b&&b!=c)||(a==c&&a!=b)||(b==c&&a!=b);
        boolean judge2 = !(a==b && b==c);
        if(judge1 && judge2)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
} import java.util.*; util.* java 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();
        boolean judge1 = (a==b&&b!=c)||(a==c&&a!=b)||(b==c&&a!=b);
        boolean judge2 = !(a==b && b==c);
        if(judge1 && judge2)
            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();
        boolean judge1 = (a==b&&b!=c)||(a==c&&a!=b)||(b==c&&a!=b);
        boolean judge2 = !(a==b && b==c);
        if(judge1 && judge2)
            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();
        boolean judge1 = (a==b&&b!=c)||(a==c&&a!=b)||(b==c&&a!=b);
        boolean judge2 = !(a==b && b==c);
        if(judge1 && judge2)
            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 boolean judge1 = (a==b&&b!=c)||(a==c&&a!=b)||(b==c&&a!=b); judge1 (a==b&&b!=c)||(a==c&&a!=b)||(b==c&&a!=b) (a==b&&b!=c)||(a==c&&a!=b)||(b==c&&a!=b) (a==b&&b!=c) a==b a b b!=c b c (a==c&&a!=b) a==c a c a!=b a b (b==c&&a!=b) b==c b c a!=b a b boolean judge2 = !(a==b && b==c); judge2 !(a==b && b==c) (a==b && b==c) a==b a b b==c b c if(judge1 && judge2)
            System.out.println("Yes");
        else
            System.out.println("No"); judge1 && judge2 judge1 judge2 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" String[] args args
import 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();
        boolean judge1 = (a==b&&b!=c)||(a==c&&a!=b)||(b==c&&a!=b);
        boolean judge2 = !(a==b && b==c);
        if(judge1 && judge2)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
}