#include <iostream>
#include <fstream>
#include <set>
#include <cstring>
#include <limits.h>

#if 1
#define pv(x) cout<<#x<<" = "<<x<<"; ";cout.flush()
#define pn cout<<endl
#else
#define pv(x)
#define pn
#endif

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

using ll = long long;
using ull = unsigned long long;
using ui = unsigned int;
#define pb push_back
#define mp make_pair
const int NMax = 1e2 + 5;
const int inf = 1e9 + 5;
const int mod = 100003;
using zint = int;

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

void bkt(int);

int main() {
    in>>N;

    bkt(1);

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

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

        return;
    }

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

        vis[val] = true;
        v[nr] = val;
        bkt(nr+1);
        vis[val] = false;
    }
}