import java.io.IOException;

public class InputStreamDemo1 {
	public static void main(String[] args) {

		/*
		System.in is of class InputStream.
		The read method of input stream reads one byte
		and returns an int giving the value of this byte.
		-1 indicates end of input.
		*/
		try {
			int i;
			while ((i = System.in.read()) != -1) {
				//i is in the range 0 to 255 inclusive.
				System.out.print(i);
				final char c = (char)i;
				if (!Character.isISOControl(c)) {
					System.out.print(" " + c);
				}
				System.out.println();
			}
		}
		catch (IOException e) {
			System.err.println(e.getMessage());
		}
	}
}