#include <fstream>
using namespace std;
ifstream is ("permutari.in");
ofstream os ("permutari.out");

int n, a[10];
bool x[10];

void Perm(int k)
{
    if(k > n)
    {
        for(int i = 1; i <= n; ++i)
            os << a[i] << ' ';
        os << '\n';
        return;
    }
    for(int i = 1; i <= n; ++i)
        if(!x[i])
        {
            x[i] = true;
            a[k] = i;
            Perm(k+1);
            x[i] = false;
        }
}

int main()
{
    is >> n;
    Perm(1);
    is.close();
    os.close();
    return 0;
}