#include <iostream>
#include <fstream>

#define INPUT_FILE "input.txt"
#define OUTPUT_FILE "output.txt"

using namespace std;

int main() {
    bool end = false;

    int N;
    int y;

    fstream infile, outfile;

    infile.open(INPUT_FILE, fstream::in);
    outfile.open(OUTPUT_FILE, fstream::out);

    if (!infile.is_open()) {
        cerr << "Error opening file " << INPUT_FILE << endl;
        return -1;
    }

    if(!outfile.is_open()){
        cerr << "Error opening file " << OUTPUT_FILE << endl;
        return -1;
    }

    while (!end) {
        infile >> N;

        if(infile.eof()){
            cout << "End of input, exit! " << endl;
            end=true;
        }

        else if(infile.fail()){
            cerr << "Error reading N from file " << INPUT_FILE << endl;
            end=true;
        }

        else {
            int v[N];
            int i;
            for (i=0; i<N; i++) {
                infile >> y;
                if (y%2==1)
                    v[i]=y;
                else
                    infile.ignore();


            }
            for (i=0; i<N; i++) {
                if (!(outfile << v[i] << " ")) {
                    cerr << "error writing number on file!" << endl;
                    end = true;
                }
            }

            if (!(outfile << "\n")) {
                cerr << "error writing on file!" << endl;
                end = true;
            }


        }
    }
    infile.close();
    outfile.close();

}