class CapFile
{
  public CapFile (TextReader inFile, TextWriter outFile)
  {
    char letter;

    letter = inFile.readAnyChar();
    while (!inFile.eof())
    {
      if ('a' <= letter && letter <= 'z')
        letter -= 32;
      outFile.print(letter);
      letter = inFile.readAnyChar();
    }
    outFile.close();
  }

    
  public static void main (String[] args)
  {
    TextReader inFile = new TextReader("cities.txt");
    TextWriter outFile = new TextWriter("after.txt");
        
    CapFile capFile = new CapFile(inFile, outFile);
  }
}