import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws IOException {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt(), b = scan.nextInt(), c = scan.nextInt();
        if(a == b && b == c || a != b && b != c && a != c) System.out.println("No");
        else System.out.println("Yes");
    }
} import java.io.*; io.* java import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws IOException {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt(), b = scan.nextInt(), c = scan.nextInt();
        if(a == b && b == c || a != b && b != c && a != c) System.out.println("No");
        else System.out.println("Yes");
    }
} Main public static void main(String[] args) throws IOException {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt(), b = scan.nextInt(), c = scan.nextInt();
        if(a == b && b == c || a != b && b != c && a != c) System.out.println("No");
        else System.out.println("Yes");
    } main {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt(), b = scan.nextInt(), c = scan.nextInt();
        if(a == b && b == c || a != b && b != c && a != c) System.out.println("No");
        else System.out.println("Yes");
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int a = scan.nextInt() a scan.nextInt() scan.nextInt scan b = scan.nextInt() b scan.nextInt() scan.nextInt scan c = scan.nextInt(); c scan.nextInt() scan.nextInt scan if(a == b && b == c || a != b && b != c && a != c) System.out.println("No");
        else System.out.println("Yes"); a == b && b == c || a != b && b != c && a != c a == b && b == c a == b a b b == c b c a != b && b != c && a != c a != b && b != c && a != c a != b a b b != c b c a != c a c System.out.println("No") System.out.println System.out System System.out "No" System.out.println("Yes") System.out.println System.out System System.out "Yes" String[] args args public class Main {
    public static void main(String[] args) throws IOException {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt(), b = scan.nextInt(), c = scan.nextInt();
        if(a == b && b == c || a != b && b != c && a != c) System.out.println("No");
        else System.out.println("Yes");
    }
} public class Main {
    public static void main(String[] args) throws IOException {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt(), b = scan.nextInt(), c = scan.nextInt();
        if(a == b && b == c || a != b && b != c && a != c) System.out.println("No");
        else System.out.println("Yes");
    }
} Main
import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws IOException {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt(), b = scan.nextInt(), c = scan.nextInt();
        if(a == b && b == c || a != b && b != c && a != c) System.out.println("No");
        else System.out.println("Yes");
    }
}
