1 2 3
2 1
3 1

int getNumber(ifstream &input, string &inputStr, char &nextChar) {

inputStr.clear();

// Append digits to the string until either a space or newline is encountered.
while(nextChar != ' ' && nextChar != 'n')
{
    inputStr.append(1, nextChar);

    input.get(nextChar);
}

int number = stoi(inputStr);

return number;