import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n1=sc.nextInt();
        int n2=sc.nextInt();
        int n3=sc.nextInt();
        int time=0;
        if(n1==n2)
            time++;
        if(n1==n3)
            time++;
        if(n2==n3)
            time++;
        if(time==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 n1=sc.nextInt();
        int n2=sc.nextInt();
        int n3=sc.nextInt();
        int time=0;
        if(n1==n2)
            time++;
        if(n1==n3)
            time++;
        if(n2==n3)
            time++;
        if(time==1)
            System.out.println("Yes");
        else
            System.out.println("No");
}} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n1=sc.nextInt();
        int n2=sc.nextInt();
        int n3=sc.nextInt();
        int time=0;
        if(n1==n2)
            time++;
        if(n1==n3)
            time++;
        if(n2==n3)
            time++;
        if(time==1)
            System.out.println("Yes");
        else
            System.out.println("No");
} main {
        Scanner sc = new Scanner(System.in);
        int n1=sc.nextInt();
        int n2=sc.nextInt();
        int n3=sc.nextInt();
        int time=0;
        if(n1==n2)
            time++;
        if(n1==n3)
            time++;
        if(n2==n3)
            time++;
        if(time==1)
            System.out.println("Yes");
        else
            System.out.println("No");
} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n1=sc.nextInt(); n1 sc.nextInt() sc.nextInt sc int n2=sc.nextInt(); n2 sc.nextInt() sc.nextInt sc int n3=sc.nextInt(); n3 sc.nextInt() sc.nextInt sc int time=0; time 0 if(n1==n2)
            time++; n1==n2 n1 n2 time++ time if(n1==n3)
            time++; n1==n3 n1 n3 time++ time if(n2==n3)
            time++; n2==n3 n2 n3 time++ time if(time==1)
            System.out.println("Yes");
        else
            System.out.println("No"); time==1 time 1 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 public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n1=sc.nextInt();
        int n2=sc.nextInt();
        int n3=sc.nextInt();
        int time=0;
        if(n1==n2)
            time++;
        if(n1==n3)
            time++;
        if(n2==n3)
            time++;
        if(time==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 n1=sc.nextInt();
        int n2=sc.nextInt();
        int n3=sc.nextInt();
        int time=0;
        if(n1==n2)
            time++;
        if(n1==n3)
            time++;
        if(n2==n3)
            time++;
        if(time==1)
            System.out.println("Yes");
        else
            System.out.println("No");
}} Main
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n1=sc.nextInt();
        int n2=sc.nextInt();
        int n3=sc.nextInt();
        int time=0;
        if(n1==n2)
            time++;
        if(n1==n3)
            time++;
        if(n2==n3)
            time++;
        if(time==1)
            System.out.println("Yes");
        else
            System.out.println("No");
}}