#include <iostream>
#include <string>
#include <vector>
using std::cout; using std::endl; using std::cin;
using std::string; using std::vector;

int main()
{
    char ch = 0; // getting input
    unsigned aCnt = 0, eCnt = 0, iCnt = 0, oCnt = 0, uCnt = 0, blankCnt = 0, tabCnt = 0, newlineCnt = 0; // counters
    cout << "Type in letters, once finished press CTRL+D/Z (UNIX/WINDOWS)" << endl; // instructions

    while (cin >> ch)
    {
        // if its a vowel, increment the appropriate counter
        switch (ch)
        {
            case 'a':
                ++aCnt;
                break;
            case 'e':
                ++eCnt;
                break;
            case 'i':
                ++iCnt;
                break;
            case 'o':
                ++oCnt;
                break;
            case 'u':
                ++uCnt;
                break;
            // Capitals
            case 'A':
                ++aCnt;
                break;
            case 'E':
                ++eCnt;
                break;
            case 'I':
                ++iCnt;
                break;
            case 'O':
                ++oCnt;
                break;
            case 'U':
                ++uCnt;
                break;

            case ' ':
                ++blankCnt;
                break;
            case '\t':
                ++tabCnt;
                break;
            case '\n':
                ++newlineCnt;
                break;
        }
    }

    cout << "Number if vowel a: \t" << aCnt << '\n'
            << "Number of vowel e: \t" << eCnt << '\n'
            << "Number of vowel i: \t" << iCnt << '\n'
            << "Number of vowel o: \t" << oCnt << '\n'
            << "Number of vowel u: \t" << uCnt << '\n'
            << "Number of spaces: \t" << blankCnt << '\n'
            << "Number of tabs: \t" << tabCnt << '\n'
            << "Number of newlines \t" << newlineCnt << endl;
    return 0;
}