#include<bits/stdc++.h>
using namespace std;
double mon[50005][13],m,sum;
double zj1(int x)
{
	x-=800;
	if(x<0) x=0;
	if(x<=500) return x*0.05;
	if(x<=2000) return 25+(x-500)*0.1;
	if(x<=5000) return 175+(x-2000)*0.15;
	if(x<=20000) return 625+(x-5000)*0.2;
	if(x<=40000) return 3625+(x-20000)*0.25;
	if(x<=60000) return 8625+(x-40000)*0.3;
	if(x<=80000) return 14625+(x-60000)*0.35;
	if(x<=100000) return 21625+(x-80000)*0.4;
	return 29625+(x-100000)*0.45;
}
double zj2(int x)
{
	if(x<=4000) x-=800;
	else x-=0.2*x;
	if(x<0) x=0; 
	if(x<=20000) return x*0.2;
	if(x<=50000) return 4000+(x-20000)*0.3;
	return 13000+(x-50000)*0.4;
}
double hesuan()
{
	for(int i=1;i<=m;i++)
	   for(int j=1;j<=12;j++)
	   {
		   	sum+=zj1(mon[i][j]);
	   }
	return sum;
}
int main(){
	freopen("personaltax.in","r",stdin);
    freopen("personaltax.out","w",stdout);
	cout<<setiosflags(ios::fixed)<<setprecision(2);
	cin>>m;
	string p_i,date;
	int person,num;
	while(1==1)
	{
		cin>>p_i;
		if(p_i=="#"){
			cout<<hesuan();
			break;
		}
		if(p_i=="PAY")
		{
			cin>>person>>date>>num;
			if(date[1]=='/') 
			{
				mon[person][0+(date[0]-'0')]+=num;
			}
			if(date[2]=='/') 
			{
				mon[person][10+(date[1]-'0')]+=num;
			}
		}
		if(p_i=="INCOME")
		{
			cin>>person>>date>>num;
			sum+=zj2(num);
		}
	}
	return 0;
}