#include <iostream>

using namespace std;

const char NEW_LINE {'\n'};

int main() {
   int  spaceCount{0},
        wordCount{0},
        letterCount{0},
        lineCount{0}; 

    bool newWord{true};
    bool newLine{true};

    char letter;

    while (cin) {
       letter  = cin.get();
       if (isspace(letter)) {
          if (NEW_LINE == letter) {
              ++lineCount;
              if (newLine) {
                 cout << "\tThis is a blank line." << endl;
              } 
              newLine = true;
          } else {
              newWord = true;
              newLine = false;
          }
          ++spaceCount;
       } else if (isalpha(letter)) {
          if (newWord) {
             ++wordCount;
             newWord = false;
             newLine = false;
          }
          ++letterCount;
       }
    }

    cout << "There were " << letterCount << " letters." << endl;
    cout << "There were " << spaceCount << " spaces." << endl;
    cout << "There were " << wordCount << " words." << endl;
    cout << "There were " << lineCount << " lines." << endl;
    cout << endl;
    cout << "WC output: " << lineCount << " "
         << wordCount << " " << letterCount+spaceCount << endl;

    return 0;
}