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