#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;

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

vector <int> v;
int n;

int main()
{
    f>>n;
    for(int 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()));
}