// Soln3_2.cpp
  include <iostream>
  using std::cin;
  using std::cout;
  using std::endl;
  
  int main()
  {
     char c;
     int nVowels=0, nChars=0;
  
     cout << "Enter characters and enter 'Q' or 'q' to end:"
          << endl;
     for (;;)
     {
        cin >> c;
  
        if (c == 'q' || c == 'Q')
           break;
  
        switch(c)
        {
        case 'A': case 'a':
        case 'E': case 'e':
        case 'I': case 'i':
        case 'O': case 'o':
        case 'U': case 'u':
           nVowels++;
  
        default:
           nChars++;
        }
     }
  
     cout << "Total chars=" << nChars << ", vowels=" << nVowels;
     cout << endl;
     return 0;
  }