#include <fstream>

using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, x[10], p[10];

void afis()
{
    for(int i = 1; i <= n; i++)
        fout << x[i] << " ";
    fout << "\n";
}

void back(int k)
{
    for(int i = 1; i <= n; i++)
        if(!p[i])
        {
            x[k] = i; p[i] = 1;
            if(k == n) afis();
            else back(k + 1);
            p[i] = 0;
        }
}

int main()
{
    fin >> n;
    back(1);

    fin.close();
    fout.close();
    return 0;
}