#include
using namespace std;
int main(){
string a,b;
int dis;char c;
int sum=0;
while(cin>>a){
if(a[0]=='0'){
cout<<sum<<endl;
sum=0;
continue;
}
else if(a[0]=='#') break;
cin>>b>>dis>>c;
if(c=='F') sum+=2*dis;
else if(c=='B'){
sum+=dis+(dis+1)/2;
}
else if(c=='Y'){
if(dis<=500) sum+=500;
else sum+=dis;
}
}
return 0;
}