#include<cstdio>

using namespace std;

int v[10],n;
bool fol[10];

void afisare()
{
    int i;
    for(i=1;i<=n;i++)
    {
        printf("%d ",v[i]);
    }
    printf("\n");
}

void back(int k)
{
    int i;
    if(k==n+1)
    {
        afisare();
    }
    else
    {
        for(i=1;i<=n;i++)
        {
            if(fol[i]==false)
            {
                fol[i]=true;
                v[k]=i;
                back(k+1);
                fol[i]=false;
            }
        }
    }
}


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