#include<stdio.h>

int n,sol[100],h[100];



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

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