import java.util.*;

public 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 all  = ((a == b) && (b == c));
        boolean all_not = ((a != b) && (a != c) && (b != c));
        
        if(all || all_not) System.out.println("No");
        else System.out.println("Yes");
    }
} import java.util.*; util.* java public 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 all  = ((a == b) && (b == c));
        boolean all_not = ((a != b) && (a != c) && (b != c));
        
        if(all || all_not) System.out.println("No");
        else System.out.println("Yes");
    }
} 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 all  = ((a == b) && (b == c));
        boolean all_not = ((a != b) && (a != c) && (b != c));
        
        if(all || all_not) System.out.println("No");
        else System.out.println("Yes");
    } main {
        Scanner sc = new Scanner(System.in);
        
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        boolean all  = ((a == b) && (b == c));
        boolean all_not = ((a != b) && (a != c) && (b != c));
        
        if(all || all_not) System.out.println("No");
        else System.out.println("Yes");
    } 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 all  = ((a == b) && (b == c)); all ((a == b) && (b == c)) (a == b) a b (b == c) b c boolean all_not = ((a != b) && (a != c) && (b != c)); all_not ((a != b) && (a != c) && (b != c)) (a != b) && (a != c) && (b != c) (a != b) a b (a != c) a c (b != c) b c if(all || all_not) System.out.println("No");
        else System.out.println("Yes"); all || all_not all all_not 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[]) {
        Scanner sc = new Scanner(System.in);
        
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        boolean all  = ((a == b) && (b == c));
        boolean all_not = ((a != b) && (a != c) && (b != c));
        
        if(all || all_not) System.out.println("No");
        else System.out.println("Yes");
    }
} public 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 all  = ((a == b) && (b == c));
        boolean all_not = ((a != b) && (a != c) && (b != c));
        
        if(all || all_not) System.out.println("No");
        else System.out.println("Yes");
    }
} Main
import java.util.*;

public 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 all  = ((a == b) && (b == c));
        boolean all_not = ((a != b) && (a != c) && (b != c));
        
        if(all || all_not) System.out.println("No");
        else System.out.println("Yes");
    }
}