#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("back.in");
ofstream fout("back.out");
int main()
{
    int i,n,v[10];
    fin>>n;
    for(i=1;i<=n;++i)
        v[i]=i;
    do
    {
            for(i=1;i<=n;++i)
                fout<<v[i]<<" ";
            fout<<endl;
    }
    while(next_permutation(v+1,v+n+1));
    fin.close();
    fout.close();
    return 0;
}