#include <iostream>
#include <fstream>
#include <vector>

using namespace std;

void read_data(char *filename, int nword) {
    ifstream input(filename);

    vector<string> temp(nword); //allocate a vector of size nword
    unsigned int  freq; //to store frequency counter

    do {
        //read in nword number of strings
        for (int i = 0; i < nword; i++) {
            input >> temp[i];
        }

        //read in frequency
        input >> freq;

        //TODO: do something with those vars
        cout << freq << endl;

    } while (input.good());

    input.close();
}

int main(int argc, char** argv) {
    if (argc < 2) {
        cerr << "missing file name" << endl;
    }

    //read 2gram, notice we passed the number of words in the second param
    read_data(argv[1], 2);
}