import java.util.Scanner;

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();

        int x = 0;

        if(A==B && A != C)
            x = 1;
        if(A==C && A != B)
            x = 1;
        if(B==C && C != A)
            x = 1;
        

        if(x == 1) {
            System.out.println("Yes");
        }else{
            System.out.println("No"); 
        }
    }
} import java.util.Scanner; Scanner 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();

        int x = 0;

        if(A==B && A != C)
            x = 1;
        if(A==C && A != B)
            x = 1;
        if(B==C && C != A)
            x = 1;
        

        if(x == 1) {
            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();

        int x = 0;

        if(A==B && A != C)
            x = 1;
        if(A==C && A != B)
            x = 1;
        if(B==C && C != A)
            x = 1;
        

        if(x == 1) {
            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();

        int x = 0;

        if(A==B && A != C)
            x = 1;
        if(A==C && A != B)
            x = 1;
        if(B==C && C != A)
            x = 1;
        

        if(x == 1) {
            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 int x = 0; x 0 if(A==B && A != C)
            x = 1; A==B && A != C A==B A B A != C A C x = 1 x 1 if(A==C && A != B)
            x = 1; A==C && A != B A==C A C A != B A B x = 1 x 1 if(B==C && C != A)
            x = 1; B==C && C != A B==C B C C != A C A x = 1 x 1 if(x == 1) {
            System.out.println("Yes");
        }else{
            System.out.println("No"); 
        } x == 1 x 1 {
            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" String[] args args
import java.util.Scanner;

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();

        int x = 0;

        if(A==B && A != C)
            x = 1;
        if(A==C && A != B)
            x = 1;
        if(B==C && C != A)
            x = 1;
        

        if(x == 1) {
            System.out.println("Yes");
        }else{
            System.out.println("No"); 
        }
    }
}