import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String args[]) throws IOException {
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String list[] = br.readLine().split(" ");
	int count = 0;
	if (list[0].equals(list[1])) {
	    count++;
	}

	if (list[1].equals(list[2])) {
	    count++;
	}

	if (list[0].equals(list[2])) {
	    count++;
	}

	if (count == 1)
	    System.out.println("Yes");
	else
	    System.out.println("No");
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {
    public static void main(String args[]) throws IOException {
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String list[] = br.readLine().split(" ");
	int count = 0;
	if (list[0].equals(list[1])) {
	    count++;
	}

	if (list[1].equals(list[2])) {
	    count++;
	}

	if (list[0].equals(list[2])) {
	    count++;
	}

	if (count == 1)
	    System.out.println("Yes");
	else
	    System.out.println("No");
    }
} Main public static void main(String args[]) throws IOException {
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String list[] = br.readLine().split(" ");
	int count = 0;
	if (list[0].equals(list[1])) {
	    count++;
	}

	if (list[1].equals(list[2])) {
	    count++;
	}

	if (list[0].equals(list[2])) {
	    count++;
	}

	if (count == 1)
	    System.out.println("Yes");
	else
	    System.out.println("No");
    } main {
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String list[] = br.readLine().split(" ");
	int count = 0;
	if (list[0].equals(list[1])) {
	    count++;
	}

	if (list[1].equals(list[2])) {
	    count++;
	}

	if (list[0].equals(list[2])) {
	    count++;
	}

	if (count == 1)
	    System.out.println("Yes");
	else
	    System.out.println("No");
    } BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String list[] = br.readLine().split(" "); list br.readLine().split(" ") br.readLine().split br.readLine() br.readLine br " " int count = 0; count 0 if (list[0].equals(list[1])) {
	    count++;
	} list[0].equals(list[1]) list[0].equals list[0] list 0 list[1] list 1 {
	    count++;
	} count++ count if (list[1].equals(list[2])) {
	    count++;
	} list[1].equals(list[2]) list[1].equals list[1] list 1 list[2] list 2 {
	    count++;
	} count++ count if (list[0].equals(list[2])) {
	    count++;
	} list[0].equals(list[2]) list[0].equals list[0] list 0 list[2] list 2 {
	    count++;
	} count++ count if (count == 1)
	    System.out.println("Yes");
	else
	    System.out.println("No"); count == 1 count 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[]) throws IOException {
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String list[] = br.readLine().split(" ");
	int count = 0;
	if (list[0].equals(list[1])) {
	    count++;
	}

	if (list[1].equals(list[2])) {
	    count++;
	}

	if (list[0].equals(list[2])) {
	    count++;
	}

	if (count == 1)
	    System.out.println("Yes");
	else
	    System.out.println("No");
    }
} public class Main {
    public static void main(String args[]) throws IOException {
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String list[] = br.readLine().split(" ");
	int count = 0;
	if (list[0].equals(list[1])) {
	    count++;
	}

	if (list[1].equals(list[2])) {
	    count++;
	}

	if (list[0].equals(list[2])) {
	    count++;
	}

	if (count == 1)
	    System.out.println("Yes");
	else
	    System.out.println("No");
    }
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String args[]) throws IOException {
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String list[] = br.readLine().split(" ");
	int count = 0;
	if (list[0].equals(list[1])) {
	    count++;
	}

	if (list[1].equals(list[2])) {
	    count++;
	}

	if (list[0].equals(list[2])) {
	    count++;
	}

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