vector<int> parseInts(string str) {
	vector<int> ret;
    string temp;
    
    for(int i = 0; i<str.size(); i++){
        if (str[i]==','){
            ret.push_back(stoi(temp));
            temp.clear();
        }
        else{
            temp.push_back(str[i]);
        }
        
        if (i == str.size()-1){
            ret.push_back(stoi(temp));
            temp.clear();
        }
    }
    
    return ret;
}