import java.io.*;
import java.util.*;
import java.util.function.Consumer;

public class Main {

    public static void main(String[] args) throws IOException {
        InputStream inputStream = new FileInputStream("permutari.in");
        OutputStream outputStream = new FileOutputStream("permutari.out");

        try (InputReader inputReader = new InputReader(inputStream);
            PrintWriter printWriter = new PrintWriter(outputStream)) {

            int N = inputReader.nextInt();
            Solver.solve(N, printWriter);
        }
    }

    static class Solver {

        public static void solve(int N, PrintWriter printWriter) {
            int[] partialPermutation = new int[N];
            BitSet inPartialPerm = new BitSet(N + 1);
            solve(N, 0, partialPermutation, inPartialPerm, printWriter);
        }

        private static void solve(int N, int currElems, int[] partialPerm, BitSet inPartialPerm, PrintWriter printWriter) {
            if (currElems == N) {
                for (int i = 0; i < N; i++) {
                    printWriter.print(partialPerm[i] + " ");
                }
                printWriter.println();
                return;
            }

            for (int nextElem = 1; nextElem <= N; nextElem++) {
                if (!inPartialPerm.get(nextElem)) {
                    inPartialPerm.set(nextElem);
                    partialPerm[currElems] = nextElem;
                    solve(N, currElems + 1, partialPerm, inPartialPerm, printWriter);

                    // roll back changes
                    inPartialPerm.clear(nextElem);
                }
            }
        }
    }

    static class InputReader implements AutoCloseable {

        private BufferedReader bufferedReader;

        private StringTokenizer stringTokenizer;

        public InputReader(InputStream inputStream) {
            bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
            stringTokenizer = null;
        }

        public String nextToken() {
            if (stringTokenizer == null || !stringTokenizer.hasMoreTokens()) {
                try {
                    stringTokenizer = new StringTokenizer(bufferedReader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }

            return stringTokenizer.nextToken();
        }

        public int nextInt() {
            return Integer.parseInt(nextToken());
        }

        @Override
        public void close() throws IOException {
            bufferedReader.close();
        }
    }
}