#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, p[10];
bool viz[10];
void afisare()
{
    int i;
    for (i = 1; i <= n; i++)
        fout<<p[i]<<" ";
    fout<<'\n';
}
void gen( int i)
{
    if ( i == n+1 )
        afisare();
    else
        for (int j = 1; j <= n; j++)
            if (viz[j] == 0)
        {
            viz[j] = 1;
            p[i] = j;
            gen (i+1);
            viz[j] = 0;
        }
}
int main()
{
    fin>>n;
    gen(1);
    return 0;
}