#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
vector<int>v;
int main()
{
     int n;
     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()));
    return 0;
}