#include <fstream>
#define INFILE "permutari.in"
#define OUTFILE "permutari.out"
using namespace std;

ifstream fin(INFILE);
ofstream fout(OUTFILE);
int v[9];
bool marked[9] = {false};
int n;
void back(int k)
{
	if (n + 1 == k) {
		for (int i = 1; i<=n; ++i)
			fout << v[i] << " ";
		fout << endl;
	}
	else 
		for (int i = 1; i<=n; ++i)
			if (!marked[i]) {
				marked[i] = true;
				v[k] = i;
				back(k+1);
				marked[i] = false;
				
			}
}
int main()
{
	fin >> n;
	fin.close();
	back(1);
	fout.close();
	return 0;
}