#include <fstream>

using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
int v[9];
bool marked[9];
void backtracc(int pos)
{
    if (pos == n + 1)
    {
        for (int i = 1; i <= n; ++i)
            fout << v[i] << " ";
        fout << '\n';
    }
    else
    {
        for (int val = 1; val <= n; ++val)
            if (!marked[val])
            {
                v[pos] = val;
                marked[val] = true;
                backtracc(pos + 1);
                marked[val] = false;
            }
    }
}
int main()
{
    fin >> n;
    backtracc(1);
    return 0;
}