#include <fstream>
#include <vector>
#include <algorithm>
#define nmax 10

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

int N;

vector <int> v;
int main()
{int i;
    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;
}