#include <iostream>
#include <fstream>
using namespace std;

int main () {
    ifstream indata ("raw-data.txt");
    ofstream processedData ("clean-data.txt");
    int N = 0; // number of values
    int sum = 0;
    cout << "Raw data: ";
    processedData << "Clean data: ";
    while (!indata.eof()) {
        int datum;
        indata >> datum;
        N++;
        sum = sum + datum;
        cout << datum << " ";
        processedData << datum << " ";
    }
    indata.close();
    cout << endl;
    cout << "Avg = " << (double)sum / N << endl;
    processedData << endl << "Mean = " << (double)sum / N << endl;
    processedData.close();
    return 0;
}