#include<cstdio>
using namespace std;
int n;
int st[100],ap[101];

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