模拟专题

//#include<bits/stdc++.h>
#include<string>
#include<iostream>
using namespace std;

string hr;

string s;
string cur;

//bool newline=1;

int main(){
    for(int i=0;i<80;i++)
        hr+=‘-‘;

#ifdef Yinku
    freopen("Codeforces.in","r",stdin);
    freopen("Codeforces.out","w",stdout);
#endif // Yinku

    while(cin>>s){
        if(s=="<br>"){
            cout<<cur<<endl;
            cur="";
        }
        else if(s=="<hr>"){
            if(cur!=""){
                cout<<cur<<endl;
                cur="";
            }
            cout<<hr<<endl;
        }
        else{
            if(cur!=""){
                if(cur.length()+1+s.length()<=80){
                    s=" "+s;
                    cur+=s;
                }
                else{
                    cout<<cur<<endl;
                    cur=s;
                }
            }
            else{
                cur+=s;
            }
        }
    }
    cout<<cur<<endl;
}