#include <fstream>

using namespace std;

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

int n,sol[9];

void afisare()
{
	int j;
	for (j=1;j<=n;j++)out<<sol[j]<<" ";
	out<<"\n";
}

int cc(int k)
{
    int j;
    for (j=1;j<k;j++)
		if (sol[j]==sol[k])return 0;
    return 1;
}

void back(int k)
{
	int i;
    for (i=1;i<=n;i++)
    {
        sol[k]=i;
        if (cc(k))
            if (k==n)
				afisare();
            else
				back(k+1);
	}
}

int main()
{
    in>>n;
    back(1);
    return 0;
}