import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

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

    static class A {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int a = Integer.parseInt(in.next());
            int b = Integer.parseInt(in.next());
            int c = Integer.parseInt(in.next());

            Set<Integer> s = new HashSet<>();

            s.add(a);
            s.add(b);
            s.add(c);

            if (s.size() == 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.HashSet; HashSet java.util import java.util.Scanner; Scanner java.util import java.util.Set; Set 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);
        A solver = new A();
        solver.solve(1, in, out);
        out.close();
    }

    static class A {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int a = Integer.parseInt(in.next());
            int b = Integer.parseInt(in.next());
            int c = Integer.parseInt(in.next());

            Set<Integer> s = new HashSet<>();

            s.add(a);
            s.add(b);
            s.add(c);

            if (s.size() == 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);
        A solver = new A();
        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);
        A solver = new A();
        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) A solver = new A(); solver new A() solver.solve(1, in, out) solver.solve solver 1 in out out.close() out.close out String[] args args static class A {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int a = Integer.parseInt(in.next());
            int b = Integer.parseInt(in.next());
            int c = Integer.parseInt(in.next());

            Set<Integer> s = new HashSet<>();

            s.add(a);
            s.add(b);
            s.add(c);

            if (s.size() == 2) out.println("Yes");
            else out.println("No");

        }

    } A public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int a = Integer.parseInt(in.next());
            int b = Integer.parseInt(in.next());
            int c = Integer.parseInt(in.next());

            Set<Integer> s = new HashSet<>();

            s.add(a);
            s.add(b);
            s.add(c);

            if (s.size() == 2) out.println("Yes");
            else out.println("No");

        } solve {
            // 入力
            int a = Integer.parseInt(in.next());
            int b = Integer.parseInt(in.next());
            int c = Integer.parseInt(in.next());

            Set<Integer> s = new HashSet<>();

            s.add(a);
            s.add(b);
            s.add(c);

            if (s.size() == 2) out.println("Yes");
            else out.println("No");

        } int a = Integer.parseInt(in.next()); a Integer.parseInt(in.next()) Integer.parseInt Integer in.next() in.next in int b = Integer.parseInt(in.next()); b Integer.parseInt(in.next()) Integer.parseInt Integer in.next() in.next in int c = Integer.parseInt(in.next()); c Integer.parseInt(in.next()) Integer.parseInt Integer in.next() in.next in Set<Integer> s = new HashSet<>(); s new HashSet<>() s.add(a) s.add s a s.add(b) s.add s b s.add(c) s.add s c if (s.size() == 2) out.println("Yes");
            else out.println("No"); s.size() == 2 s.size() s.size s 2 out.println("Yes") out.println out "Yes" 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);
        A solver = new A();
        solver.solve(1, in, out);
        out.close();
    }

    static class A {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int a = Integer.parseInt(in.next());
            int b = Integer.parseInt(in.next());
            int c = Integer.parseInt(in.next());

            Set<Integer> s = new HashSet<>();

            s.add(a);
            s.add(b);
            s.add(c);

            if (s.size() == 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);
        A solver = new A();
        solver.solve(1, in, out);
        out.close();
    }

    static class A {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int a = Integer.parseInt(in.next());
            int b = Integer.parseInt(in.next());
            int c = Integer.parseInt(in.next());

            Set<Integer> s = new HashSet<>();

            s.add(a);
            s.add(b);
            s.add(c);

            if (s.size() == 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.HashSet;
import java.util.Scanner;
import java.util.Set;

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

    static class A {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            // 入力
            int a = Integer.parseInt(in.next());
            int b = Integer.parseInt(in.next());
            int c = Integer.parseInt(in.next());

            Set<Integer> s = new HashSet<>();

            s.add(a);
            s.add(b);
            s.add(c);

            if (s.size() == 2) out.println("Yes");
            else out.println("No");

        }

    }
}

