#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main()
{
	int a,i;
	vector<int>v;
	cin>>a;
	while(a){v.push_back(a);a--;}
	sort(v.begin(),v.end());
	do
	{
		for(i=0;i<v.size();i++)cout<<v[i]<<" ";
		cout<<'\n';
	}while(next_permutation(v.begin(),v.end()));
	return 0;
}