#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, ans[9];
bool check(int x, int val)
{
    for (int i = 1; i < x; i++)
        if (ans[i] == val) return 0;
    return 1;
}
void backtrack(int x)
{
    for (int i = 1; i <= n; i++)
    {
        if(check(x, i))
        {
            ans[x] = i;
            if (x == n)
            {
                for (int i = 1; i <= n; i++)
                    fout << ans[i] << ' ';
                fout << '\n';
            }
            else backtrack(x+1);
        }
    }
}
int main()
{
    fin >> n;
    backtrack(1);
    return 0;
}