import java.util.*;

class Main{

    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int A = stdIn.nextInt();
        int B = stdIn.nextInt();
        int C = stdIn.nextInt();

        if(A==B && A != C)
            System.out.println("Yes");
        else if(A==C && A != B)
            System.out.println("Yes");
        else if(B==C && C != A)
            System.out.println("Yes");
        else
            System.out.println("No"); 

    }
} import java.util.*; util.* java class Main{

    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int A = stdIn.nextInt();
        int B = stdIn.nextInt();
        int C = stdIn.nextInt();

        if(A==B && A != C)
            System.out.println("Yes");
        else if(A==C && A != B)
            System.out.println("Yes");
        else if(B==C && C != A)
            System.out.println("Yes");
        else
            System.out.println("No"); 

    }
} Main public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int A = stdIn.nextInt();
        int B = stdIn.nextInt();
        int C = stdIn.nextInt();

        if(A==B && A != C)
            System.out.println("Yes");
        else if(A==C && A != B)
            System.out.println("Yes");
        else if(B==C && C != A)
            System.out.println("Yes");
        else
            System.out.println("No"); 

    } main {
        Scanner stdIn = new Scanner(System.in);
        int A = stdIn.nextInt();
        int B = stdIn.nextInt();
        int C = stdIn.nextInt();

        if(A==B && A != C)
            System.out.println("Yes");
        else if(A==C && A != B)
            System.out.println("Yes");
        else if(B==C && C != A)
            System.out.println("Yes");
        else
            System.out.println("No"); 

    } Scanner stdIn = new Scanner(System.in); stdIn new Scanner(System.in) int A = stdIn.nextInt(); A stdIn.nextInt() stdIn.nextInt stdIn int B = stdIn.nextInt(); B stdIn.nextInt() stdIn.nextInt stdIn int C = stdIn.nextInt(); C stdIn.nextInt() stdIn.nextInt stdIn if(A==B && A != C)
            System.out.println("Yes");
        else if(A==C && A != B)
            System.out.println("Yes");
        else if(B==C && C != A)
            System.out.println("Yes");
        else
            System.out.println("No"); A==B && A != C A==B A B A != C A C System.out.println("Yes") System.out.println System.out System System.out "Yes" if(A==C && A != B)
            System.out.println("Yes");
        else if(B==C && C != A)
            System.out.println("Yes");
        else
            System.out.println("No"); A==C && A != B A==C A C A != B A B System.out.println("Yes") System.out.println System.out System System.out "Yes" if(B==C && C != A)
            System.out.println("Yes");
        else
            System.out.println("No"); B==C && C != A B==C B C 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" String[] args args
import java.util.*;

class Main{

    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int A = stdIn.nextInt();
        int B = stdIn.nextInt();
        int C = stdIn.nextInt();

        if(A==B && A != C)
            System.out.println("Yes");
        else if(A==C && A != B)
            System.out.println("Yes");
        else if(B==C && C != A)
            System.out.println("Yes");
        else
            System.out.println("No"); 

    }
}