#include <iostream>
class Range {
    int min;
    int max;
public:
    class Iterator{
        int num;
    public:
        Iterator(int x):num{x}{}

        int operator*(){
            return num;
        }
        Iterator operator++(){
            num++;
            return *this;
        }
        bool operator!=(const Iterator &other){
            return num != other.num;
        }
    };
    Iterator begin(){
        return Iterator(min);
    }
    Iterator end(){
        return Iterator(max + 1);
    }
    Range(int min, int max):min{min}, max{max}{}
};

int main() {
    // for (Range::Iterator it = Range{0,10}.begin(); it != Range{0, 10}.end(); ++it) std::cout << *it;
    // for (auto x : Range{0,10}) std::cout << x << std::endl;

}