#include <iostream>
#include <fstream>

using namespace std;

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

int n;
int c[20];
bool used[20];

void write() {
  for(int i = 1; i <= n; i++)
    out << c[i] << ' ';

  out << '\n';
}

void gen(int pos) {
  if(n < pos)
    write();
  else {
    for(int i = 1; i <= n; i++) {
      if(!used[i]) {
        c[pos] = i;
        used[i] = true;

        gen(pos + 1);

        c[pos] = 0;
        used[i] = false;
      }
    }
  }
}

int main()
{
  in >> n;

  gen(1);

  in.close();
  out.close();

  return 0;
}