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