#include <bits/stdc++.h>
using namespace std;

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

int sol[9], n;

void bk(int p = 1)
{
    if(p == n + 1)
    {
        for(int i = 1; i <= n; ++i)
            fout << sol[i] << ' ';

        fout << '\n';

        return;
    }

    for(int i = 1; i <= n; ++i)
    {
        int used = false;

        sol[p] = i;

        for(int k = 1; k < p; ++k)
        {
            if(sol[p] == sol[k]) used = true;
        }

        if(used == false)
            bk(p + 1);
    }
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    fin >> n;
    bk();
}