void convert(int num, int N, vector<char>& data){    int number = num;    //if (num < 0)//        num = -num;    while (num != 0)    {        int temp = num%N;        if (temp <= 9)            data.push_back(temp + ‘0‘);        else            data.push_back(temp - 10 + ‘A‘);        num /= N;    }    //if (number < 0)    //    data.push_back(‘-‘);}int main(){    int num, N;    while (cin >> num >> N)    {        if (N == 10)        {            cout << num << endl;            continue;        }        vector<char> data;        convert(num, N, data);                for (int i = data.size() - 1; i >= 0; i--)        {            cout << data[i];        }        cout << endl;    }    return 0;}