import java.util.*;
import java.util.Collections;

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 cnt = 0;
    if (A == B) {
      cnt++;
    }
    ;
    if (B == C) {
      cnt++;
    }
    ;
    if (C == A) {
      cnt++;
    }
    ;
    if (cnt == 1) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    }
  }
} import java.util.*; util.* java import java.util.Collections; Collections 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 cnt = 0;
    if (A == B) {
      cnt++;
    }
    ;
    if (B == C) {
      cnt++;
    }
    ;
    if (C == A) {
      cnt++;
    }
    ;
    if (cnt == 1) {
      System.out.println("Yes");
    } else {
      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 cnt = 0;
    if (A == B) {
      cnt++;
    }
    ;
    if (B == C) {
      cnt++;
    }
    ;
    if (C == A) {
      cnt++;
    }
    ;
    if (cnt == 1) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    }
  } main {
    Scanner sc = new Scanner(System.in);
    int A = sc.nextInt();
    int B = sc.nextInt();
    int C = sc.nextInt();
    int cnt = 0;
    if (A == B) {
      cnt++;
    }
    ;
    if (B == C) {
      cnt++;
    }
    ;
    if (C == A) {
      cnt++;
    }
    ;
    if (cnt == 1) {
      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 int cnt = 0; cnt 0 if (A == B) {
      cnt++;
    } A == B A B {
      cnt++;
    } cnt++ cnt if (B == C) {
      cnt++;
    } B == C B C {
      cnt++;
    } cnt++ cnt if (C == A) {
      cnt++;
    } C == A C A {
      cnt++;
    } cnt++ cnt if (cnt == 1) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    } cnt == 1 cnt 1 {
      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) {
    Scanner sc = new Scanner(System.in);
    int A = sc.nextInt();
    int B = sc.nextInt();
    int C = sc.nextInt();
    int cnt = 0;
    if (A == B) {
      cnt++;
    }
    ;
    if (B == C) {
      cnt++;
    }
    ;
    if (C == A) {
      cnt++;
    }
    ;
    if (cnt == 1) {
      System.out.println("Yes");
    } else {
      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 cnt = 0;
    if (A == B) {
      cnt++;
    }
    ;
    if (B == C) {
      cnt++;
    }
    ;
    if (C == A) {
      cnt++;
    }
    ;
    if (cnt == 1) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    }
  }
} Main
import java.util.*;
import java.util.Collections;

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 cnt = 0;
    if (A == B) {
      cnt++;
    }
    ;
    if (B == C) {
      cnt++;
    }
    ;
    if (C == A) {
      cnt++;
    }
    ;
    if (cnt == 1) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    }
  }
}
