import java.io.*; 
import java.net.*; 

class TCPServer { 

  public static void main(String argv[]) throws Exception 
    { 
      String clientSentence; 
      String capitalizedSentence; 

      ServerSocket welcomeSocket = new ServerSocket(5555); 
    
      Socket connectionSocket = welcomeSocket.accept(); 

      BufferedReader inFromClient = 
       new BufferedReader(new InputStreamReader(connectionSocket.getInputStream())); 

      DataOutputStream  outToClient = 
       new DataOutputStream(connectionSocket.getOutputStream()); 

      while(true) { 

           clientSentence = inFromClient.readLine(); 

           //capitalizedSentence = clientSentence.toUpperCase() + '\n'; 
           //outToClient.writeBytes(capitalizedSentence); 

           System.out.println(clientSentence);
        } 
    } 
}