import java.util.Scanner;

/**
 * Main
 */
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();

        int count = 0;

        if(A == B){
            count += 1;
        }
        if(B == C){
            count += 1;
        }
        if(C == A){
            count += 1;
        }

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

        int count = 0;

        if(A == B){
            count += 1;
        }
        if(B == C){
            count += 1;
        }
        if(C == A){
            count += 1;
        }

        if(count == 1){
            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();

        int count = 0;

        if(A == B){
            count += 1;
        }
        if(B == C){
            count += 1;
        }
        if(C == A){
            count += 1;
        }

        if(count == 1){
            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();

        int count = 0;

        if(A == B){
            count += 1;
        }
        if(B == C){
            count += 1;
        }
        if(C == A){
            count += 1;
        }

        if(count == 1){
            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 int count = 0; count 0 if(A == B){
            count += 1;
        } A == B A B {
            count += 1;
        } count += 1 count 1 if(B == C){
            count += 1;
        } B == C B C {
            count += 1;
        } count += 1 count 1 if(C == A){
            count += 1;
        } C == A C A {
            count += 1;
        } count += 1 count 1 if(count == 1){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        } count == 1 count 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 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();

        int count = 0;

        if(A == B){
            count += 1;
        }
        if(B == C){
            count += 1;
        }
        if(C == A){
            count += 1;
        }

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

        int count = 0;

        if(A == B){
            count += 1;
        }
        if(B == C){
            count += 1;
        }
        if(C == A){
            count += 1;
        }

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

/**
 * Main
 */
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();

        int count = 0;

        if(A == B){
            count += 1;
        }
        if(B == C){
            count += 1;
        }
        if(C == A){
            count += 1;
        }

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