#include <iostream>
#include <fstream>

using namespace std;

int n,sol[11],v[11];

void afisare()
{
    ofstream g("permutari.out");
    for(int i=1;i<=n;i++)
        g<<sol[i]<<" ";
    g<<"\n";
}

int back(int k)
{
    if(k==n+1)afisare();
    else
    {
        for (int i=1;i<=n;i++)
            if (!v[i])
        {
            v[i]=1;
            sol[k]=i;
            back(k+1);
            v[i]=0;
        }
    }
}

int main()
{
    ifstream f("permutari.in");
    f>>n;
    f.close();
    back(1);
    return 0;
}