import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Scanner;

/**
 * Built using CHelper plug-in Actual solution is at the top
 *
 * @author Silviase
 */
public class Main {

  public static void main(String[] args) {
    InputStream inputStream = System.in;
    OutputStream outputStream = System.out;
    Scanner in = new Scanner(inputStream);
    PrintWriter out = new PrintWriter(outputStream);
    APoor solver = new APoor();
    solver.solve(1, in, out);
    out.close();
  }

  static class APoor {

    public void solve(int testNumber, Scanner in, PrintWriter out) {
      int[] a = new int[3];
      a[0] = in.nextInt();
      a[1] = in.nextInt();
      a[2] = in.nextInt();
      Arrays.sort(a);
      if ((a[1] == a[0] || a[1] == a[2]) && a[0] != a[2]) {
        out.println("Yes");
      } else {
        out.println("No");
      }
    }

  }
}
 import java.io.OutputStream; OutputStream java.io import java.io.IOException; IOException java.io import java.io.InputStream; InputStream java.io import java.io.PrintWriter; PrintWriter java.io import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner java.util public class Main {

  public static void main(String[] args) {
    InputStream inputStream = System.in;
    OutputStream outputStream = System.out;
    Scanner in = new Scanner(inputStream);
    PrintWriter out = new PrintWriter(outputStream);
    APoor solver = new APoor();
    solver.solve(1, in, out);
    out.close();
  }

  static class APoor {

    public void solve(int testNumber, Scanner in, PrintWriter out) {
      int[] a = new int[3];
      a[0] = in.nextInt();
      a[1] = in.nextInt();
      a[2] = in.nextInt();
      Arrays.sort(a);
      if ((a[1] == a[0] || a[1] == a[2]) && a[0] != a[2]) {
        out.println("Yes");
      } else {
        out.println("No");
      }
    }

  }
} Main public static void main(String[] args) {
    InputStream inputStream = System.in;
    OutputStream outputStream = System.out;
    Scanner in = new Scanner(inputStream);
    PrintWriter out = new PrintWriter(outputStream);
    APoor solver = new APoor();
    solver.solve(1, in, out);
    out.close();
  } main {
    InputStream inputStream = System.in;
    OutputStream outputStream = System.out;
    Scanner in = new Scanner(inputStream);
    PrintWriter out = new PrintWriter(outputStream);
    APoor solver = new APoor();
    solver.solve(1, in, out);
    out.close();
  } InputStream inputStream = System.in; inputStream System.in System System.in OutputStream outputStream = System.out; outputStream System.out System System.out Scanner in = new Scanner(inputStream); in new Scanner(inputStream) PrintWriter out = new PrintWriter(outputStream); out new PrintWriter(outputStream) APoor solver = new APoor(); solver new APoor() solver.solve(1, in, out) solver.solve solver 1 in out out.close() out.close out String[] args args static class APoor {

    public void solve(int testNumber, Scanner in, PrintWriter out) {
      int[] a = new int[3];
      a[0] = in.nextInt();
      a[1] = in.nextInt();
      a[2] = in.nextInt();
      Arrays.sort(a);
      if ((a[1] == a[0] || a[1] == a[2]) && a[0] != a[2]) {
        out.println("Yes");
      } else {
        out.println("No");
      }
    }

  } APoor public void solve(int testNumber, Scanner in, PrintWriter out) {
      int[] a = new int[3];
      a[0] = in.nextInt();
      a[1] = in.nextInt();
      a[2] = in.nextInt();
      Arrays.sort(a);
      if ((a[1] == a[0] || a[1] == a[2]) && a[0] != a[2]) {
        out.println("Yes");
      } else {
        out.println("No");
      }
    } solve {
      int[] a = new int[3];
      a[0] = in.nextInt();
      a[1] = in.nextInt();
      a[2] = in.nextInt();
      Arrays.sort(a);
      if ((a[1] == a[0] || a[1] == a[2]) && a[0] != a[2]) {
        out.println("Yes");
      } else {
        out.println("No");
      }
    } int[] a = new int[3]; a new int[3] 3 a[0] = in.nextInt() a[0] a 0 in.nextInt() in.nextInt in a[1] = in.nextInt() a[1] a 1 in.nextInt() in.nextInt in a[2] = in.nextInt() a[2] a 2 in.nextInt() in.nextInt in Arrays.sort(a) Arrays.sort Arrays a if ((a[1] == a[0] || a[1] == a[2]) && a[0] != a[2]) {
        out.println("Yes");
      } else {
        out.println("No");
      } (a[1] == a[0] || a[1] == a[2]) && a[0] != a[2] (a[1] == a[0] || a[1] == a[2]) a[1] == a[0] a[1] a 1 a[0] a 0 a[1] == a[2] a[1] a 1 a[2] a 2 a[0] != a[2] a[0] a 0 a[2] a 2 {
        out.println("Yes");
      } out.println("Yes") out.println out "Yes" {
        out.println("No");
      } out.println("No") out.println out "No" int testNumber testNumber Scanner in in PrintWriter out out public class Main {

  public static void main(String[] args) {
    InputStream inputStream = System.in;
    OutputStream outputStream = System.out;
    Scanner in = new Scanner(inputStream);
    PrintWriter out = new PrintWriter(outputStream);
    APoor solver = new APoor();
    solver.solve(1, in, out);
    out.close();
  }

  static class APoor {

    public void solve(int testNumber, Scanner in, PrintWriter out) {
      int[] a = new int[3];
      a[0] = in.nextInt();
      a[1] = in.nextInt();
      a[2] = in.nextInt();
      Arrays.sort(a);
      if ((a[1] == a[0] || a[1] == a[2]) && a[0] != a[2]) {
        out.println("Yes");
      } else {
        out.println("No");
      }
    }

  }
} public class Main {

  public static void main(String[] args) {
    InputStream inputStream = System.in;
    OutputStream outputStream = System.out;
    Scanner in = new Scanner(inputStream);
    PrintWriter out = new PrintWriter(outputStream);
    APoor solver = new APoor();
    solver.solve(1, in, out);
    out.close();
  }

  static class APoor {

    public void solve(int testNumber, Scanner in, PrintWriter out) {
      int[] a = new int[3];
      a[0] = in.nextInt();
      a[1] = in.nextInt();
      a[2] = in.nextInt();
      Arrays.sort(a);
      if ((a[1] == a[0] || a[1] == a[2]) && a[0] != a[2]) {
        out.println("Yes");
      } else {
        out.println("No");
      }
    }

  }
} Main
import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Scanner;

/**
 * Built using CHelper plug-in Actual solution is at the top
 *
 * @author Silviase
 */
public class Main {

  public static void main(String[] args) {
    InputStream inputStream = System.in;
    OutputStream outputStream = System.out;
    Scanner in = new Scanner(inputStream);
    PrintWriter out = new PrintWriter(outputStream);
    APoor solver = new APoor();
    solver.solve(1, in, out);
    out.close();
  }

  static class APoor {

    public void solve(int testNumber, Scanner in, PrintWriter out) {
      int[] a = new int[3];
      a[0] = in.nextInt();
      a[1] = in.nextInt();
      a[2] = in.nextInt();
      Arrays.sort(a);
      if ((a[1] == a[0] || a[1] == a[2]) && a[0] != a[2]) {
        out.println("Yes");
      } else {
        out.println("No");
      }
    }

  }
}

