import java.util.Scanner;
public class mirror {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		while(true) {
			char[] st = s.nextLine().toCharArray();
			if (st[0] == '#')
				break;
			boolean suc = true;
			for (int i = 0; i < st.length; i++) {
				if (st[i] == 'b')
					st[i] = 'd';
				else if (st[i] == 'd')
					st[i] = 'b';
				else if (st[i] == 'p')
					st[i] = 'q';
				else if (st[i] == 'q')
					st[i] = 'p';
				else if (st[i] != 'i' && st[i] != 'o' && st[i] != 'v' && st[i] != 'w' && st[i] != 'x') {
					suc = false;
					break;
				}
			}
			if (suc) {
				for (int i = st.length - 1; i >= 0; i--)
					System.out.print(st[i]);
				System.out.println();
			}
			else
				System.out.println("INVALID");
		}
	}
}