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

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

int n;
int st[10], viz[10];

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