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,sec=0,sub=0,ss=0;
    cin>>n;
    for (int i=1; i<=n; i++)
    {
        string s,title;
        cin>>s>>title;
        if (s=="section") {sec++; sub=0; ss=0; cout<<sec<<" "<<title<<"\n";}
        else if (s=="subsection") {sub++; ss=0; cout<<sec<<"."<<sub<<" "<<title<<"\n";}
            else {ss++; cout<<sec<<"."<<sub<<"."<<ss<<" "<<title<<"\n";}
    }
}
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