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
 */
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);
        TaskAtCoder solver = new TaskAtCoder();
        solver.solve(1, in, out);
        out.close();
    }

    static class TaskAtCoder
    {
        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[0] == A[1] && A[1] != A[2]) || (A[1] == A[2] && A[0] != A[1]))
            {
                out.print("Yes");
            } else
            {
                out.print("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);
        TaskAtCoder solver = new TaskAtCoder();
        solver.solve(1, in, out);
        out.close();
    }

    static class TaskAtCoder
    {
        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[0] == A[1] && A[1] != A[2]) || (A[1] == A[2] && A[0] != A[1]))
            {
                out.print("Yes");
            } else
            {
                out.print("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);
        TaskAtCoder solver = new TaskAtCoder();
        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);
        TaskAtCoder solver = new TaskAtCoder();
        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) TaskAtCoder solver = new TaskAtCoder(); solver new TaskAtCoder() solver.solve(1, in, out) solver.solve solver 1 in out out.close() out.close out String[] args args static class TaskAtCoder
    {
        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[0] == A[1] && A[1] != A[2]) || (A[1] == A[2] && A[0] != A[1]))
            {
                out.print("Yes");
            } else
            {
                out.print("No");
            }
        }

    } TaskAtCoder 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[0] == A[1] && A[1] != A[2]) || (A[1] == A[2] && A[0] != A[1]))
            {
                out.print("Yes");
            } else
            {
                out.print("No");
            }
        } solve {
            int[] A = new int[3];
            A[0] = in.nextInt();
            A[1] = in.nextInt();
            A[2] = in.nextInt();
            Arrays.sort(A);
            if ((A[0] == A[1] && A[1] != A[2]) || (A[1] == A[2] && A[0] != A[1]))
            {
                out.print("Yes");
            } else
            {
                out.print("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[0] == A[1] && A[1] != A[2]) || (A[1] == A[2] && A[0] != A[1]))
            {
                out.print("Yes");
            } else
            {
                out.print("No");
            } (A[0] == A[1] && A[1] != A[2]) || (A[1] == A[2] && A[0] != A[1]) (A[0] == A[1] && A[1] != A[2]) A[0] == A[1] A[0] A 0 A[1] A 1 A[1] != A[2] A[1] A 1 A[2] A 2 (A[1] == A[2] && A[0] != A[1]) A[1] == A[2] A[1] A 1 A[2] A 2 A[0] != A[1] A[0] A 0 A[1] A 1 {
                out.print("Yes");
            } out.print("Yes") out.print out "Yes" {
                out.print("No");
            } out.print("No") out.print 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);
        TaskAtCoder solver = new TaskAtCoder();
        solver.solve(1, in, out);
        out.close();
    }

    static class TaskAtCoder
    {
        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[0] == A[1] && A[1] != A[2]) || (A[1] == A[2] && A[0] != A[1]))
            {
                out.print("Yes");
            } else
            {
                out.print("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);
        TaskAtCoder solver = new TaskAtCoder();
        solver.solve(1, in, out);
        out.close();
    }

    static class TaskAtCoder
    {
        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[0] == A[1] && A[1] != A[2]) || (A[1] == A[2] && A[0] != A[1]))
            {
                out.print("Yes");
            } else
            {
                out.print("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
 */
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);
        TaskAtCoder solver = new TaskAtCoder();
        solver.solve(1, in, out);
        out.close();
    }

    static class TaskAtCoder
    {
        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[0] == A[1] && A[1] != A[2]) || (A[1] == A[2] && A[0] != A[1]))
            {
                out.print("Yes");
            } else
            {
                out.print("No");
            }
        }

    }
}

