import java.io.*;

public class ReadChars {

    public static void main(String[] args)
            throws IOException {

        char c;
        BufferedReader br = new
                BufferedReader(new
                        InputStreamReader(System.in));
        System.out.println("Enter characters, period to quit.");

        // read characters
        do {
            c = (char) br.read();
            System.out.println(c);
        } while(c != '.');
    }
}