#include<iostream>
using namespace std;
class customer
{
    private:
    public:
    char n;
    void get()
    {
       getline(n,cin);
    }
};
class meter
{
    private:
    public:
    int i;
    void geti()
    {
        cin>>i;
    }
};
class bill : public customer,public meter
{
    private:
    public:
    void getb()
    {
        cout<<n<<i;
    }
};
int main()
{
    bill obj;
    obj.bill();
    return 0;
    
}