#include <iostream>
#include <fstream>
#include <bitset>

using namespace std;
#define dim 10
ofstream out("permutari.out");

int n, x[dim];
bitset<dim> uz;
void write()
{
    for(int i = 1; i <=n; ++i)
        out << x[i] << " ";
    out << '\n';
}
void back(int k)
{
    for(int i = 1; i<=n; ++i)
    {
        if(!uz[i])
        {
            x[k] = i;
            uz[i] = 1;

            if( k == n)
            {
                write();
            }
            else
            back(k+1);
            uz[i] = 0;
        }
    }
}

int main()
{
    ifstream in("permutari.in");
    in >> n;
    back(1);

    return 0;
}