!747

m {
  p {
    S botID = "Boot Bot";
    S msg = "n";
    S text = format3("please forward to bot *: *", botID, msg);
    S signed = signWithComputerID(text);
    signed = changeCharacter(signed, l(signed)-10, 'x');
    print(signed);
    
    DialogIO io = talkTo("second.tinybrain.de", 4999);
    S greeting = io.readLine();
    S line = format3("signed: *", signed);
    print (">> " + line);
    io.sendLine(line);
    S answer = io.readLine();
    print ("<< " + answer);
    io.close();
  }
  
  static S changeCharacter(S s, int i, char c) {
    ret s.substring(0, i) + c + s.substring(i+1);
  }
}