#include <iostream>
#include <fstream>

using namespace std;

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

int N;
int v[10];
bool sel[10];

void output()
{
    for (int i = 1; i <= N; ++i)
        fout << v[i] << ' ';
    fout << '\n';
}

void Back (int level)
{
    if (level > N) {
        output();
        return;
    }

    for(int i = 1; i <= N; ++i) {
        if(!sel[i]) {
            v[level] = i;
            sel[i] = true;
            Back(level + 1);
            sel[i] = false;
        }
    }
}

int main()
{
    fin >> N;
    Back(1);
    return 0;
}