import java.util.*;
public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a =sc.nextInt();
		int b =sc.nextInt();
		int c =sc.nextInt();
		int count = 0;

		if (a==b) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (a==c) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (b==c) {
			if (b!=a) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		System.out.println("No");

	}
} import java.util.*; util.* java public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a =sc.nextInt();
		int b =sc.nextInt();
		int c =sc.nextInt();
		int count = 0;

		if (a==b) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (a==c) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (b==c) {
			if (b!=a) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		System.out.println("No");

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

		int a =sc.nextInt();
		int b =sc.nextInt();
		int c =sc.nextInt();
		int count = 0;

		if (a==b) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (a==c) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (b==c) {
			if (b!=a) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		System.out.println("No");

	} main {
		Scanner sc = new Scanner(System.in);

		int a =sc.nextInt();
		int b =sc.nextInt();
		int c =sc.nextInt();
		int count = 0;

		if (a==b) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (a==c) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (b==c) {
			if (b!=a) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		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 int count = 0; count 0 if (a==b) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		} a==b a b {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		} if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			} b!=c b c {
				System.out.println("Yes");
				System.exit(0);
			} System.out.println("Yes") System.out.println System.out System System.out "Yes" System.exit(0) System.exit System 0 if (a==c) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		} a==c a c {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		} if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			} b!=c b c {
				System.out.println("Yes");
				System.exit(0);
			} System.out.println("Yes") System.out.println System.out System System.out "Yes" System.exit(0) System.exit System 0 if (b==c) {
			if (b!=a) {
				System.out.println("Yes");
				System.exit(0);
			}
		} b==c b c {
			if (b!=a) {
				System.out.println("Yes");
				System.exit(0);
			}
		} if (b!=a) {
				System.out.println("Yes");
				System.exit(0);
			} b!=a b a {
				System.out.println("Yes");
				System.exit(0);
			} System.out.println("Yes") System.out.println System.out System System.out "Yes" System.exit(0) System.exit System 0 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) {
		Scanner sc = new Scanner(System.in);

		int a =sc.nextInt();
		int b =sc.nextInt();
		int c =sc.nextInt();
		int count = 0;

		if (a==b) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (a==c) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (b==c) {
			if (b!=a) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		System.out.println("No");

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

		int a =sc.nextInt();
		int b =sc.nextInt();
		int c =sc.nextInt();
		int count = 0;

		if (a==b) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (a==c) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (b==c) {
			if (b!=a) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		System.out.println("No");

	}
} Main
import java.util.*;
public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a =sc.nextInt();
		int b =sc.nextInt();
		int c =sc.nextInt();
		int count = 0;

		if (a==b) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (a==c) {
			if (b!=c) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		if (b==c) {
			if (b!=a) {
				System.out.println("Yes");
				System.exit(0);
			}
		}
		System.out.println("No");

	}
}
