import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String[] s = sc.nextLine().split(" ");

        int matches = 0;
        if (s[0].equals(s[1])) {
            matches++;
        }
        if (s[1].equals(s[2])) {
            matches++;
        }
        if(s[0].equals(s[2])) {
            matches++;
        }

        if(matches == 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);

        String[] s = sc.nextLine().split(" ");

        int matches = 0;
        if (s[0].equals(s[1])) {
            matches++;
        }
        if (s[1].equals(s[2])) {
            matches++;
        }
        if(s[0].equals(s[2])) {
            matches++;
        }

        if(matches == 1) {
            System.out.println("Yes");
        } else{
            System.out.println("No");
        }
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String[] s = sc.nextLine().split(" ");

        int matches = 0;
        if (s[0].equals(s[1])) {
            matches++;
        }
        if (s[1].equals(s[2])) {
            matches++;
        }
        if(s[0].equals(s[2])) {
            matches++;
        }

        if(matches == 1) {
            System.out.println("Yes");
        } else{
            System.out.println("No");
        }
    } main {
        Scanner sc = new Scanner(System.in);

        String[] s = sc.nextLine().split(" ");

        int matches = 0;
        if (s[0].equals(s[1])) {
            matches++;
        }
        if (s[1].equals(s[2])) {
            matches++;
        }
        if(s[0].equals(s[2])) {
            matches++;
        }

        if(matches == 1) {
            System.out.println("Yes");
        } else{
            System.out.println("No");
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String[] s = sc.nextLine().split(" "); s sc.nextLine().split(" ") sc.nextLine().split sc.nextLine() sc.nextLine sc " " int matches = 0; matches 0 if (s[0].equals(s[1])) {
            matches++;
        } s[0].equals(s[1]) s[0].equals s[0] s 0 s[1] s 1 {
            matches++;
        } matches++ matches if (s[1].equals(s[2])) {
            matches++;
        } s[1].equals(s[2]) s[1].equals s[1] s 1 s[2] s 2 {
            matches++;
        } matches++ matches if(s[0].equals(s[2])) {
            matches++;
        } s[0].equals(s[2]) s[0].equals s[0] s 0 s[2] s 2 {
            matches++;
        } matches++ matches if(matches == 1) {
            System.out.println("Yes");
        } else{
            System.out.println("No");
        } matches == 1 matches 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);

        String[] s = sc.nextLine().split(" ");

        int matches = 0;
        if (s[0].equals(s[1])) {
            matches++;
        }
        if (s[1].equals(s[2])) {
            matches++;
        }
        if(s[0].equals(s[2])) {
            matches++;
        }

        if(matches == 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);

        String[] s = sc.nextLine().split(" ");

        int matches = 0;
        if (s[0].equals(s[1])) {
            matches++;
        }
        if (s[1].equals(s[2])) {
            matches++;
        }
        if(s[0].equals(s[2])) {
            matches++;
        }

        if(matches == 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);

        String[] s = sc.nextLine().split(" ");

        int matches = 0;
        if (s[0].equals(s[1])) {
            matches++;
        }
        if (s[1].equals(s[2])) {
            matches++;
        }
        if(s[0].equals(s[2])) {
            matches++;
        }

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