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


int st[10], top=0, n;
bool viz[10];

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

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

bool Verifica(int x, int top)
{
    return viz[x]==false;
}

void Back(int top)
{

    if(top==n+1) Afisare();
    else
    {
        for(int i=1;i<=n;++i)
            if(Verifica(i, top-1))
            {
                st[top]=i;
                viz[i] = true;
                Back(top+1);
                viz[i] = false;//backtracking
            }
    }
}


int main()
{
    fin>>n;
    fin.close();

    Back(1);
    return 0;
}