#include<iostream>
#include<string>
using namespace std;
class Customer{
    public:
    string name;
};
class Meter{
    public:
    int unitsconsumed;
};
class Bill : public customer : public meter{
    public:
    int totalbill(){
        if(unitsconsumed <0)return -1;
        return unitsconsumed*5 + 50;
    }
};
int main(){
    Bill bill;
    cin>>bill.name;
    cin>>bill.unitsconsumed;
    int billamount = bill.totalbill();
    if(billamount == -1){
        cout<<"Invalid input"<<endl;
    }
    else{
        cout<<bill.name<<" "<<billamount<<endl;
    }
}