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

int uz[15],k,n,sol[15];


void prelucrari()
{
    int j;
    for (j = 1; j <= n; ++j) fout << sol[j] << " ";
    fout << endl;
}

void backtracking(int k)
{
    int i;
    if (k > n)
    {
        prelucrari();
    }
    else
    for (i = 1; i <= n; ++i)
    {
       if (uz[i] == 0)
       {
           uz[i] = 1;
           sol[k] = i;
           backtracking(k+1);
           uz[i] = 0;
       }
    }
}

int main()
{
    fin >> n;
    backtracking(1);
    return 0;
}