#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n, k, x[8], check[8];

void afis()
{
	for(int i = 1; i <= n; ++i)
		g<<x[i]<<' ';
	g<<'\n';
}

void backt()
{
	k++;
	for(int i = 1; i <= n; ++i)
	{
		x[k] = i;
		if(check[i] == 0)
		{
			check[i] = 1;
			if(k == n) afis();
			else backt();
			check[i] = 0;
		}
	}
	k--;
}

int main()
{
	f>>n;
	backt();
    return 0;
}