#include <stdio.h>

int st[9], mark[9], n;

void back(int k)
{
  int i;
  
  if (k == n+1)
   {
      for ( i = 1; i <= n; ++i)
        printf("%d ", st[i]);
      printf("\n");  
   }
  else
    for ( i = 1; i <= n; ++i)
      if (!mark[i])
       {
         mark[i] = 1;
         st[k] = i;
         back(k+1);
         mark[i] = 0;
       }
}

int main()
{
  
  freopen("permutari.in", "r", stdin);
  freopen("permutari.out", "w", stdout);
  
  scanf("%d", &n);
  back(1);
  
  return 0;
}