#include<iostream>
using namespace std;
int main()
{
    string a;
    int b,e,f;
    double c,d;
    cin>>a>>b>>c;
    if(a!="Basic" || a!="Standard" || a!="Premium" || b<0 || b>1 || c<=0 || c>12)
    {
        cout<<"Invalid input";
    }
    else
    {
        if(a=="Basic" && b==1)
        {
           e=(c*30)-(c*6);
           cout<<e<<endl;
        }
        else if(a="Basic" && b==0)
        {
            e=c*30;
            cout<<e<<endl;
        }
        else if(a=="Standard" && b==1)
        {
           e=(c*50)-(c*10);
           cout<<e<<endl;
        }
        else if(a="Standard" && b==0)
        {
            e=c*50;
            cout<<e<<endl;
        }
        else if(a=="Premium" && b==1)
        {
           e=(c*80)-(c*16);
           cout<<e<<endl;
        }
        else if(a="Premium" && b==0)
        {
            e=c*80;
            cout<<e<<endl;
    }
    
    
}
}