import java.util.Scanner;

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 cnt = 0;

        if (A == B)
            cnt++;

        if (A == C)
            cnt++;

        if (B == C)
            cnt++;

        if (cnt == 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 cnt = 0;

        if (A == B)
            cnt++;

        if (A == C)
            cnt++;

        if (B == C)
            cnt++;

        if (cnt == 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 cnt = 0;

        if (A == B)
            cnt++;

        if (A == C)
            cnt++;

        if (B == C)
            cnt++;

        if (cnt == 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 cnt = 0;

        if (A == B)
            cnt++;

        if (A == C)
            cnt++;

        if (B == C)
            cnt++;

        if (cnt == 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 cnt = 0; cnt 0 if (A == B)
            cnt++; A == B A B cnt++ cnt if (A == C)
            cnt++; A == C A C cnt++ cnt if (B == C)
            cnt++; B == C B C cnt++ cnt if (cnt == 1)
            System.out.println("Yes");
        else
            System.out.println("No"); cnt == 1 cnt 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 A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        int cnt = 0;

        if (A == B)
            cnt++;

        if (A == C)
            cnt++;

        if (B == C)
            cnt++;

        if (cnt == 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 cnt = 0;

        if (A == B)
            cnt++;

        if (A == C)
            cnt++;

        if (B == C)
            cnt++;

        if (cnt == 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 A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();

        int cnt = 0;

        if (A == B)
            cnt++;

        if (A == C)
            cnt++;

        if (B == C)
            cnt++;

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