#include <iostream>
#include <cctype>
#include <fstream>


// see ClassStruct.cpp for the class code
using namespace std;

const size_t MAX_WORDS{100};


string StripWord(string word);

int main() {

    ifstream inFile("ocap.txt");
    string word;

    inFile >> word;
    while(inFile) {
       word = StripWord(word);

       inFile >> word;
    }

    inFile.close();

    return 0;
}


string StripWord(string word){
    string fixedWord;

    for(size_t i = 0; i < word.size(); ++i) {
        if (isalpha(word[i]) ) {
           fixedWord += static_cast<char>(tolower(word[i]));
        }
    }
    return fixedWord; 
}