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

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

int n, st[15];
bitset<15> v;

void Back(int top)
{
    int i;
    if(top == n + 1)
    {
        for(i=1; i<top; i++)
            fout << st[i] << " ";
        fout << "\n";
    }
    else
    {
        for(i=1; i<=n; i++)
            if(v[i] == 0)
            {
                v[i] = 1;
                st[top] = i;
                Back(top + 1);
                v[i] = 0;
            }
    }
}


int main()
{
    int i;
    fin >> n;
    Back(1);
    fin.close();
    fout.close();
    return 0;
}