#include <iostream>
#include <fstream>
#include <vector>
#include <cstring>

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

#define pb push_back
#define ll long long
const int NMax = 1e7 + 5;

int N;
bool vis[20];
int v[20];

void backT(int);

int main()
{
    in>>N;

    backT(1);

    in.close();out.close();
    return 0;
}

void backT(int idx) {
    if (idx == N+1) {
        for (int i=1;i <= N;++i) {
            out<<v[i]<<' ';
        }
        out<<'\n';

        return;
    }

    for (int k=1;k <= N;++k) {
        if (vis[k]) {
            continue;
        }

        v[idx] = k;
        vis[k] = true;
        backT(idx+1);
        vis[k] = false;
    }
}