#include <fstream>

using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
short n,x[10];
bool valid(short k)
{
    for(short i=1;i<k;++i) if(x[i]==x[k]) return false;
    return true;
}
void perm(short k)
{
    short i;
    if(k==n+1)
    {
        for(i=1;i<=n;++i)
            fout<<x[i]<<' ';
        fout<<'\n';
    }
    else
        for(i=1;i<=n;++i)
    {
        x[k]=i;
        if(valid(k)) perm(k+1);
    }
}
int main()
{
    fin>>n;
    perm(1);
    return 0;
}