#include<stdio.h>
FILE *f=fopen("permutar.in","r"),*g=fopen("permutar.out","w");
int st[9],n;
void tipar()
{
 for(int i=1;i<=n;i++)
   fprintf(g,"%d ",st[i]);
 fprintf(g,"\n");
}
void bktr(int p)
{
 int ok,i;
 for(int pval=1;pval<=n;pval++)
 {
   st[p]=pval;
   ok=1;
   for(i=1;i<p;i++)
     if(st[i]==st[p]) {ok=0;break;}
   if(ok)
     if(p==n) tipar();
     else bktr(p+1);
 }
}
int main()
{
 fscanf(f,"%d",&n);
 bktr(1);
 return 0;
}