using namespace std;

#include <iostream>
#include <string>

void Replace (char c, char* t);

void Replace (char c, char* t)
    // Returns with:
    // t = " SPACE " whenever c is a space character
    // t = " TAB " whenever c is a tab character
    // t = " NEWLINE " whenever c is a newline character
    // t = a string containing only the character c otherwise
{
    switch (c)
    {
	case '\t':
	    strcpy (t, " TAB ");
	    break;
	case ' ':
	    strcpy (t, " SPACE ");
	    break;
	case '\n':
	    strcpy (t, " NEWLINE ");
	    break;
	default:
	    t[0] = c;
	    t[1] = '\0';
	    break;
    }
}

int main ()
{
    // Process input one character at a time, making replacements as
    // required

    while (true)
    {
	char character_from_input;
	char text_to_output[10];

	// Quit when no more input

	if (! cin.get (character_from_input)) break;

	// Process one character

	Replace (character_from_input, text_to_output);
	cout << text_to_output;
    }
}