#include <fstream>

using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");

void swap(int *a, int *b)
{
    int temp;
    temp = *a;
    *a = *b;
    *b = temp;
}

void permute(int arr[], int l, int r, int n)
{
    int i;
    if (l == r)
    {
        for (i=0; i<n; i++)
            fout << arr[i] << " ";
        fout << "\n";
    }
    else
    {
        for (i=l; i<=r; i++)
        {
            swap(arr[l], arr[i]);
            permute(arr, l+1, r, n);
            swap(arr[l], arr[i]);
        }
    }
}

int main()
{
    int n;
    fin >> n;
    int arr[n+1];
    for (int i=0; i<=n; i++) arr[i] = i+1;
    permute(arr, 0, n-1, n);
    return 0;
}