#include <bits/stdc++.h>
using namespace std;

long long M, pay[50010][15] = {0};
double tax[50010] = {0}, ans = 0;
string mode;

int main()
{
    freopen("personaltax.in", "r", stdin);
    freopen("personaltax.out", "w", stdout);
    cin >> M;
    while(cin >> mode)
    {
        if(mode[0] == '#') break;
        if(mode[0] == 'P')
        {
            int number, money;
            string date;
            cin >> number >> date >> money;
            pay[number][date[0] - '0'] += money;
            continue;
        }
        if(mode[0] == 'I')
        {
            int number, money;
            double tax_money;
            string date;
            cin >> number >> date >> money;
            if(money <= 4000) tax_money = money - 800;
            else tax_money = money * 0.8;
            if(tax_money <= 0) continue;
            if(tax_money <= 20000)
            {
                tax[number] += tax_money * 0.2;
                continue;
            }
            if(tax_money <= 50000)
            {
                tax[number] += 4000 + (tax_money - 20000) * 0.3;
                continue;
            }
            if(tax_money > 50000)
            {
                tax[number] += 13000 + (tax_money - 50000) * 0.4;
            }
        }
    }
    for(int i = 1; i <= M; ++i)
    {
        for(int j = 1; j <= 12; ++j)
        {
            int tax_money = pay[i][j] - 800;
            if(tax_money <= 0) continue;
            if(tax_money <= 500)
            {
                tax[i] += tax_money * 0.05;
                continue;
            }
            if(tax_money <= 2000)
            {
                tax[i] += 25 + (tax_money - 500) * 0.1;
                continue;
            }
            if(tax_money <= 5000)
            {
                tax[i] += 175 + (tax_money - 2000) * 0.15;
                continue;
            }
            if(tax_money <= 20000)
            {
                tax[i] += 625 + (tax_money - 5000) * 0.2;
                continue;
            }
            if(tax_money <= 40000)
            {
                tax[i] += 4625 + (tax_money - 20000) * 0.25;
                continue;
            }
            if(tax_money <= 60000)
            {
                tax[i] += 9625 + (tax_money - 40000) * 0.3;
                continue;
            }
            if(tax_money <= 80000)
            {
                tax[i] += 15625 + (tax_money - 60000) * 0.35;
                continue;
            }
            if(tax_money <= 100000)
            {
                tax[i] += 22625 + (tax_money - 80000) * 0.4;
                continue;
            }
            if(tax_money > 100000)
            {
                tax[i] += 30625 + (tax_money - 100000) * 0.45;
                continue;
            }
        }
    }
    for(int i = 1; i <= M; ++i)
    {
        ans += tax[i];
    }
    cout << setiosflags(ios::fixed) << setprecision(2) << ans << endl;
    return 0;
}