#include <fstream>
#include <bitset>
using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
int st[10];
int fr[10];
void afis()
{
    for (int i = 1; i <= n; i++)
        fout << st[i] << " ";
    fout << "\n";
}
void back(int top)
{
    for (int i = 1; i <= n; i++)
        if (!fr[i])
        {
            fr[i] = 1;
            st[top] = i;
            if (top == n)
                afis();
            else
                back(top + 1);
            fr[i] = 0;
        }
}
int main() 
{

    fin >> n;
    back(1);
    return 0;
}