import java.io.InputStream;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.Scanner;

public class Main {
	InputStream in = System.in;
	PrintStream out = System.out;

	public void _main(String[] args) {
		Scanner sc = new Scanner(in);

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

		sc.close();

		if (A == B && A != C || A == C && A != B || A != B && B == C) {
			out.println("Yes");
		} else {
			out.println("No");
		}

	}

	public static void main(String[] args) {
		new Main()._main(args);
	}
} import java.io.InputStream; InputStream java.io import java.io.PrintStream; PrintStream java.io import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner java.util public class Main {
	InputStream in = System.in;
	PrintStream out = System.out;

	public void _main(String[] args) {
		Scanner sc = new Scanner(in);

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

		sc.close();

		if (A == B && A != C || A == C && A != B || A != B && B == C) {
			out.println("Yes");
		} else {
			out.println("No");
		}

	}

	public static void main(String[] args) {
		new Main()._main(args);
	}
} Main InputStream in = System.in; in System.in System System.in PrintStream out = System.out; out System.out System System.out public void _main(String[] args) {
		Scanner sc = new Scanner(in);

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

		sc.close();

		if (A == B && A != C || A == C && A != B || A != B && B == C) {
			out.println("Yes");
		} else {
			out.println("No");
		}

	} _main {
		Scanner sc = new Scanner(in);

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

		sc.close();

		if (A == B && A != C || A == C && A != B || A != B && B == C) {
			out.println("Yes");
		} else {
			out.println("No");
		}

	} Scanner sc = new Scanner(in); sc new Scanner(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 sc.close() sc.close sc if (A == B && A != C || A == C && A != B || A != B && B == C) {
			out.println("Yes");
		} else {
			out.println("No");
		} A == B && A != C || A == C && A != B || A != B && B == C A == B && A != C || A == C && A != B || A != B && B == C A == B && A != C A == B A B A != C A C A == C && A != B A == C A C A != B A B A != B && B == C A != B A B B == C B C {
			out.println("Yes");
		} out.println("Yes") out.println out "Yes" {
			out.println("No");
		} out.println("No") out.println out "No" String[] args args public static void main(String[] args) {
		new Main()._main(args);
	} main {
		new Main()._main(args);
	} new Main()._main(args) new Main()._main new Main() args String[] args args public class Main {
	InputStream in = System.in;
	PrintStream out = System.out;

	public void _main(String[] args) {
		Scanner sc = new Scanner(in);

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

		sc.close();

		if (A == B && A != C || A == C && A != B || A != B && B == C) {
			out.println("Yes");
		} else {
			out.println("No");
		}

	}

	public static void main(String[] args) {
		new Main()._main(args);
	}
} public class Main {
	InputStream in = System.in;
	PrintStream out = System.out;

	public void _main(String[] args) {
		Scanner sc = new Scanner(in);

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

		sc.close();

		if (A == B && A != C || A == C && A != B || A != B && B == C) {
			out.println("Yes");
		} else {
			out.println("No");
		}

	}

	public static void main(String[] args) {
		new Main()._main(args);
	}
} Main
import java.io.InputStream;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.Scanner;

public class Main {
	InputStream in = System.in;
	PrintStream out = System.out;

	public void _main(String[] args) {
		Scanner sc = new Scanner(in);

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

		sc.close();

		if (A == B && A != C || A == C && A != B || A != B && B == C) {
			out.println("Yes");
		} else {
			out.println("No");
		}

	}

	public static void main(String[] args) {
		new Main()._main(args);
	}
}
