#include <fstream>

using namespace std;

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

int n, sol[100];
bool app[100];


void bkt(int k)
{
	if(k == n + 1)
	{
		for(int i = 1; i <= n; ++i)
		{
			fout << sol[i] << " ";
		}
		fout << '\n';

		return;
	}
	
	for(int i = 1; i <= n; ++i)
	{
		if(!app[i])
		{
			app[i] = true;
			sol[k] = i;
			bkt(k+1);
			app[i] = false;
		}
	}
	
}

int main()
{
	fin >> n;
	bkt(1);
	return 0;
}