#include<iostream>
#include<fstream>
#include<vector>
#include<algorithm>
using namespace std;
int main()
{ifstream f("permutari.in");
ofstream g("permutari.out");
int n;
vector <int>v;
f>>n;
int i;
for(i=1;i<=n;++i)
    v.push_back(i);
do {
        for (int i = 0; i < n; ++i)
            g<< v[i] << ' ';
        g << '\n';
    } while (next_permutation(v.begin(), v.end()));


}