#include <iostream>
#include <fstream>

#define nmax 9

using namespace std;

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

int n, k;
int st[nmax];

void read();
void back(int k);

int main()
{
    
    read();
    back(1);
    
    fi.close();
    fo.close();
    
    return 0;
}

void read()
{
    fi >> n;
}

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