This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    cin>>n;
    int sec=0,subsec=0,subsubsec=0;
    string x,y;
    for (int i=0;i<n;i++)
    {
        cin>>x>>y;
        if (x=="section")
        {
            sec++;
            subsec=0;
            subsubsec=0;
            cout<<sec<<' '<<y<<"\n";
        }
        else if (x=="subsection")
        {
            subsec++;
            subsubsec=0;
            cout<<sec<<'.'<<subsec<<' '<<y<<"\n";
        }
        else
        {
            subsubsec++;
            cout<<sec<<'.'<<subsec<<'.'<<subsubsec<<' '<<y<<"\n";
        }
    }
    return 0;
}
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