#include <fstream>
#define DMAX 10
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");

int n, v[DMAX], use[DMAX];
void bkt (int);

int main()
{
    fin>>n;
    bkt(1);
    fout.close();
    return 0;
}

void bkt (int k)
{
    int i;
    if (k-1==n)
    {
        for (i=1; i<=n; ++i)
            fout<<v[i]<<" ";
        fout<<"\n";
        return;
    }
    for (i=1; i<=n; ++i)
        if (!use[i])
    {
        use[i]=1;
        v[k]=i;
        bkt (k+1);
        use[i]=0;
    }
    return;
}