// editor3
#include<iostream>
#include<string>
using namespace std;
int main(){
    int t;
    cin>>t;
    double b=0,c=0,p=0;
    while(t--){
        string w,op;
         double amt;
        cin>>w>>op>>amt;
        if(amt<0){
            cout<<"Invalid input";
            return 0;
        }
        if(w=="BitcoinWallet"){
            if(op=="add")b +=amt;
            else if(b>=amt)b-=amt;
        }    
        else if(w=="CreditCardWallet"){
            if(op=="add")c+=amt;
            else if(c>=amt)c-=amt;
        } 
         else if(w=="PayPalWallet"){
            if(op=="add")p+=amt;
            else if(p>=amt)p-=amt;
         }
    }
    else{
        cout<<"Invalid input";
        return 0;
    }
    cout<<b<<endl;
    cout<<c<<endl;
    cout<<p<<endl;
    return 0;
}