#include <fstream>

#define NMAX 17

using namespace std;

ifstream cin("permutari.in");
ofstream cout("permutari.out");

int Viz[NMAX], v[NMAX];
int n;

void Back(int k){
    if(k == n + 1){
        for(int i = 1; i <= n; ++i)
            cout << v[i] << " ";
        cout << "\n";
    }
    else
        for(int i = 1; i <= n; ++i)
            if(Viz[i] == 0){
                Viz[i] = 1;
                v[k] = i;
                Back(k + 1);
                Viz[i] = 0;
            }
}

int main(){
    cin >> n;
    Back(1);
    return 0;
}