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


int st[9], top=0, n;

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

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

bool Verifica(int x, int top)
{
    for(int i=1;i<=top;++i)
        if(st[i] == x) return false;
    return true;
}

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;
                Back(top+1);
            }
    }
}


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

    Back(1);
    return 0;
}