#include <fstream>
#define NMax 10

using namespace std;

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

int v[NMax], n, l;
bool a[NMax];

void perm(int p)
{
    if(p > n)
    {
        for(int i = 1; i <= n; i ++)
            out << v[i] << " ";
        out << "\n";
        return;
    }

    for(int i = 1; i <= n; i ++)
        if(!a[i])
        {
            v[p] = i;
            a[i] = true;
            perm(p+1);
            a[i] = false;
        }

}


int main()
{
    in >> n;
    perm(1);

    return 0;
}