#include<iostream>
#include<string>
using namespace std;
class customer
{
    protected:
    string name;
    public:
    void display()
    {
        cin>>name;
    }
};
class meter
{
    protected:
    void display1 ()
    {
        cin>>n;
    }
};
class bill : public meter , public customer
{
    public:
    void res()
    {
        if (n<0)
        cout<<"invalid input"<<endl;
        return;
    }
    int total=(n*5)+50;
    cout<<name<<" "<<total<<endl;
};
int main()
{
    bill b;
    b.display();b.display1();b.res();
    return 0;
}