< 🅱️avn >

import java.util.*;
import java.io.*;
import java.math.*;

public class 🅱️avn {
  public static void main(String[] BoostMyMark) throws IOException  {
    Scanner sc = new Scanner();
    System.out.printf("Hello %s!", sc.nextLine());
  }
}

class Scanner  {
  BufferedReader in;
  StringTokenizer st;

  public Scanner() {
    in = new BufferedReader(new InputStreamReader(System.in));
  } 

  String next() throws IOException {
    while(st == null || !st.hasMoreElements()) {
      st = new StringTokenizer(in.readLine());
    } return st.nextToken();
  } String nextLine() throws IOException {
    return in.readLine();
  } Integer nextInt() throws IOException {
    return Integer.parseInt(next());
  } Long nextLong() throws IOException {
    return Long.parseLong(next());
  } Double nextDouble() throws IOException {
    return Double.parseDouble(next());
  } Character nextChar() throws IOException {
    return next().charAt(0);
  } void close() throws IOException {
    in.close();
  }
}