#include <iostream>
#include <vector>
#include <string>
#include <cctype>

using namespace std;

int main(){
  cout << endl<< "*** Exercise 3.14 -- Version with iterators****" << endl<< endl<<"Please enter some text (ENTER and Ctrl+D at the end)"<< endl;

  vector<string> vecinput; // vector to store the text
  string input; // a string to store the input temporarily
  while(cin>>input)
    vecinput.push_back(input);//Add to vector of strings

  cout << endl<<"Now let's transform words into upper case and print eight in each line" << endl;
  vector<int>::size_type i8=0;// i8 is a counter of words per line
  for(vector<string>::iterator iter=vecinput.begin();iter!=vecinput.end(); ++iter){
    string word=*iter; // Store word in a temporary string
    for(string::size_type j=0;j!= word.size(); ++j){
      word[j]=toupper(word[j]); //convert to upper case
    }
    if(i8<8){//Print in a line...
      cout << word <<" ";
      ++i8;
    }
    else {//... until we have eight words. Then start a new line
      cout << endl << word;
      i8=0;
    }
  }
  cout << endl;
  

  return 0;
}