#include <iostream>
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");

int n,v[100],a;

void afis(int v[100],int n)
{
    int i;
    for (i=1;i<=n;i++)
    {
        g<<v[i]<<" ";
    }
    g<<endl;
}

void permutari(int k)
{
    int i;
    for (i=1;i<=n;i++)
    {
        v[k]=i;
        if (k<n) {permutari(k+1);}
        else afis(v,n);
    }
}
int main()
{
    f>>n;
    permutari(1);
}