#include<cstdio>
int n,st[9],vc[9];
void back(int k)
    {if(k==n+1)
        {int i;
        for(i=1;i<=n;i++)
            printf("%d ",st[i]);
        printf("\n");
        }
    else
        {int i;
        for(i=1;i<=n;i++)
            if(vc[i]==0)
                {st[k]=i;
                vc[i]=1;
                back(k+1);
                vc[i]=0;
                }
        }
    }
int main ()
{freopen ("permutari.in","r",stdin);
freopen ("permutari.out","w",stdout);
scanf("%d",&n);
back(1);
return 0;
}