# include <bits/stdc++.h>
const long long MAXN = 1e6+5;
using namespace std;
struct ww
{
    int id;
    int ends;
    int nms;
};
ww seq[MAXN];
bool cmp(ww i, ww j)
{
    if(i.nms >= 0)
    {
        if( j.nms < 0) return true;
        return i.ends >= j.ends;
    }
    if(j.nms >= 0) return false;
    if(i.ends > 0)
    {
        if(j.ends <= 0) return true;
        return i.ends <= j.ends;
    }
    if(j.ends > 0) return false;
    return i.nms >= j.nms;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n;
    string s;
    int i,j;
    cin>>n;
    for(i = 1; i <= n; i++)
    {
        cin>>s;
        seq[i].id=  i;
        seq[i].nms = 0;
        seq[i].ends = 0;
        for(char ch:s)
        {
            if(ch=='(')
            {
                seq[i].ends++;
            }else
                seq[i].ends--;
            seq[i].nms = min(seq[i].nms,seq[i].ends);
        }
    }
    sort(seq+1,seq+n+1,cmp);
    int currD=0;

    for(i  =1; i <= n; i++)
    {
       if(currD + seq[i].nms < 0){cout<<"impossible\n";return 0;}
       currD+=seq[i].ends;
    }
    if(currD!=0){cout<<"impossible\n";return 0;}
    for(i = 1; i <=n; i++)
        cout<<seq[i].id<<endl;

        }