#include <fstream>
#define in "permutari.in"
#define out "permutari.out"
#define N 10
using namespace std;

ifstream fin(in);
ofstream fout(out);

int n,sol[N];
bool f[N];

inline void BK(const int &k)
{
    if(k>=n)
    {
        for(int i=1; i<=n; ++i)
            fout<<sol[i]<<" ";
        fout<<"\n";
    }
    else
    {
        for(int i=1; i<=n; ++i)
            if(!f[i])
            {
                f[i] = 1;
                sol[k+1] = i;
                BK(k+1);
                f[i] = 0;
            }
    }
}

int main()
{
    fin>>n;
    BK(0);

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