#include<stdio.h>

int st[10],n;
FILE *g=fopen("permutari.out","w");

void tipar()
{int i;
for(i=1;i<=n;i++) fprintf(g,"%d ",st[i]);
fprintf(g,"\n");
}

int ok(int k)
{int i;
for(i=1;i<k;i++)
  if(st[i]==st[k]) return 0;
return 1;
}

void back(int k)
{if(k>n) tipar();
  else
    {for(int i=1;i<=n;i++)
     {st[k]=i;
      if(ok(k)) back(k+1);
     }
    }
}

int main()
{
FILE *f=fopen("permutari.in","r");
fscanf(f,"%d",&n);

back(1);

return 0;
}