#include <bits/stdc++.h>

using namespace std;

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

int n;
int perm[10];
bool viz[10];

void solve(int nivel)
{
	if(nivel==n+1)
	{
		for(int i=1;i<=n;i++)
			out<<perm[i]<<" ";
		out<<"\n";
		return;
	}
	for(int i=1;i<=n;i++)
	{
		if(!viz[i])
		{
			viz[i]=1;
			perm[nivel]=i;
			solve(nivel+1);
			viz[i]=0;
		}	
	}
}


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