import java.io.FileNotFoundException;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

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

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

	}
} import java.io.FileNotFoundException; FileNotFoundException java.io import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

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

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

	}
} Main public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

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

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

	} main {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

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

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

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.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 if(A==B&&A!=C) {
			System.out.println("Yes");
		} else {
			if(A==C&&A!=B) {
				System.out.println("Yes");
			} else {
				if(B==C&&B!=A) {
					System.out.println("Yes");
				} else {
					System.out.println("No");
				}
			}
		} A==B&&A!=C A==B A B A!=C A C {
			System.out.println("Yes");
		} System.out.println("Yes") System.out.println System.out System System.out "Yes" {
			if(A==C&&A!=B) {
				System.out.println("Yes");
			} else {
				if(B==C&&B!=A) {
					System.out.println("Yes");
				} else {
					System.out.println("No");
				}
			}
		} if(A==C&&A!=B) {
				System.out.println("Yes");
			} else {
				if(B==C&&B!=A) {
					System.out.println("Yes");
				} else {
					System.out.println("No");
				}
			} A==C&&A!=B A==C A C A!=B A B {
				System.out.println("Yes");
			} System.out.println("Yes") System.out.println System.out System System.out "Yes" {
				if(B==C&&B!=A) {
					System.out.println("Yes");
				} else {
					System.out.println("No");
				}
			} if(B==C&&B!=A) {
					System.out.println("Yes");
				} else {
					System.out.println("No");
				} B==C&&B!=A B==C B C B!=A B A {
					System.out.println("Yes");
				} System.out.println("Yes") System.out.println System.out System System.out "Yes" {
					System.out.println("No");
				} 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 FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

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

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

	}
} public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

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

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

	}
} Main
import java.io.FileNotFoundException;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

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

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

	}
}
