#include <fstream>

using namespace std;
const int NMAX = 17;
int n, viz[NMAX], s[NMAX];

ifstream fin("permutari.in");
ofstream fout("permutari.out");

void backt(int poz){
    if(poz == n + 1){
        for(int i = 1;i <= n;i++)
            fout << s[i] << " ";
        fout << "\n";
        return;
    }

    for(int i = 1;i <= n;i++){
        if(!viz[i]){
            s[poz] = i;
            viz[i] = 1;
            backt(poz+1);
            viz[i] = 0;
        }
    }
}


int main()
{
    fin >> n;
    backt(1);
    return 0;
}