#include <iostream>
#include <fstream>

using namespace std;

int n;
int st[9];

ifstream fi("permutari.in");
ofstream fo("permutari.out");

bool check(int k)
{
    for (int i = 1; i < k; i++)
        if (st[i] == st[k])
            return false;
    return true;
}

void write()
{
    for (int i = 1; i <= n; i++)
        fo << st[i] << " ";
    fo << "\n";

}

void perm(int k)
{
    for (int i = 1; i <= n; i++)
    {
        st[k] = i;
        if (check(k))
        {
            if (k == n)
                write();
            else
                perm(k + 1);
        }
    }
}

int main()
{
    fi >> n;
    
    perm(1);
    
    fi.close();
    fo.close();
    
    return 0;
}