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import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;

public class tas {

	private static int skipWhitespace(final InputStream in) throws IOException {
		int val = -1;
		while ((val = in.read()) != -1) {
			if (!Character.isWhitespace((char) val))
				break;
		}
		return val;
	}

	private static int readInt(final InputStream in) {
		final StringBuilder b = new StringBuilder();
		try {
			int val = skipWhitespace(in);
			b.append((char) val);
			while ((val = in.read()) != -1) {
				if (Character.isWhitespace((char) val))
					break;
				b.append((char) val);
			}
			return Integer.parseInt(b.toString());
		} catch (final IOException e) {
			throw new RuntimeException(e);
		}
	}
	
	public static void run(final InputStream in, PrintStream out) {
		int n = readInt(in);
		int t = readInt(in);
		int z = (int) Math.pow(2, n);
		int[] a = new int[z];
		
		for (int i = 0; i < z; i++) {
			a[i] = readInt(in);
		}

		if (t % 2 == 0)
		{
			for (int i = 0; i < z; i++) {
				System.out.print(a[i] + " ");
			}
		}
		else 
		{
			for (int i = z - 1; i >= 0; i--) {
				System.out.print(a[i] + " ");
			}
		}
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		run(System.in, System.out);
	}

}