#include <bits/stdc++.h>
#define in "permutari.in"
#define out "permutari.out"
using namespace std;
ifstream fin(in);
ofstream fout(out);

int n;
int st[15],viz[15];

void Afis()
{
    int i;

    for (i = 1; i <= n; i++)
        fout << st[i] << " ";
    fout << "\n";
}

void Back(int top)
{
    if (top == n+1) Afis();
    else for (int i = 1; i <= n; i++)
            if (viz[i] == 0)
            {
                viz[i] = 1;
                st[top] = i;
                Back(top + 1);
                viz[i] = 0;
            }
}

int main()
{
    fin >> n;
    Back(1);

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