#include<cstdio>
using namespace std;
int v[10],w[10],n;
void backt(int k);
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    backt(1);
    return 0;
}
void backt(int k)
{
    int i;
    if(k==n+1){for(i=1;i<=n;i++)printf("%d ",v[i]);printf("\n");}
    else
    {
        for(i=1;i<=n;i++)if(!w[i])
        {
            w[i]=1;
            v[k]=i;
            backt(k+1);
            w[i]=0;
        }
    }
}