poj 2271 HTML

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#include "iostream"#include "string"using namespace std;int main(){    string input;    int countnum = 0, i;    while (cin >> input)    {          if (input == "<br>")          {               cout << endl;               countnum = 0;          }          else if (input == "<hr>")          {               if (countnum != 0)                   cout << endl;               for (i = 0; i < 80; i++)                   cout << "-";               cout << endl;               countnum = 0;          }          else          {              if (countnum + input.size() + (countnum == 0 ? 0 : 1) > 80)              {                  cout << endl << input ;                  countnum = input.size();              }              else              {                  if (countnum != 0)                     cout << " ";                  cout << input;                  countnum += input.size() + 1;              }          }    }}