import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.StreamTokenizer;

/**
 * @author icewei
 * @Description: 深度搜索  acwing-ycx
 * @date 2025/2/7
 */
public class Main {

    /********** 842. 排列数字 *************/
    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    static StreamTokenizer st = new StreamTokenizer(br);
    static int N = 10;
    static int n;
    static int[] path = new int[N];
    static boolean[] visited = new boolean[N];

    static void dfs(int u) {
        if (u == n) {
            for (int i = 0; i < n; i++) System.out.print(path[i] + " ");
            System.out.println();
            return;
        }
        for (int i = 1; i <= n; i++) {
            if (!visited[i]) {
                path[u] = i;
                visited[i] = true;
                dfs(u + 1);
                visited[i] = false;
            }
        }
    }
    public static void main(String[] args) throws IOException {
        st.nextToken(); n = (int)st.nval;
        dfs(0);
    }
}