#include <bits/stdc++.h>
using namespace std;

#define pb push_back
using ll = long long;

const string fn = "permutari";


ifstream fin(fn + ".in");
ofstream fout(fn + ".out");

int n;
int a[10];

void out() {
    for (int i = 1; i <= n; ++i)
        fout << a[i] << " ";
    fout << '\n';
}

bool ok(int k) {
    for (int i = 1; i < k; ++i)
        if (a[k] == a[i])
            return false;
    return true;
}

void back(int k) {
    for (int i = 1; i <= n; ++i) {
        a[k] = i;
        if (ok(k))
            if (k == n)
                out();
            else back(k + 1);
    }
}

int main() {

    fin >> n;
    back(1);

    fin.close();
    fout.close();
    return 0;
}