// Example of an Exception


import java.io.*;


class Count {

    public static int countCharsInFile( String filename ) {

        int count = -1;

        try {

            int ch = 0;
      
            FileReader infile = new FileReader( filename );

            do {
                ch = infile.read();
                count++;
            } while (ch != -1);

        } catch (IOException e) {

            System.out.println( "IO error:" + e.getMessage() );
        }

        return count;
    }


    public static void main( String [] s ) {

        System.out.println( Count.countCharsInFile( s[0] ) );
    }
}