#include <bits/stdc++.h>
using namespace std;
typedef long double ld;
const int M=50000+5;
int m;
ld tot[M][14]={0};
ld ans=0;
void calc(ld x,ld lw,ld tp,ld per){
    if (x<=lw)return ;
    ld num=min(x,tp)-lw;
    ans+=per/100*num;
    return ;
}
int main(){
    freopen ("personaltax.in","r",stdin);
    freopen ("personaltax.out","w",stdout);
    scanf("%d",&m);
    while(true){
        char s[10];int id;ld x;
        scanf("%s",s);
        if (s[0]=='#')break;
        if (s[0]=='P'){
            scanf("%d%s%Lf",&id,s,&x);
            int mth=s[0]-'0',mth2=s[1];
            if (mth2!='/')mth=mth*10+mth2-'0';
            tot[id][mth]+=x;
        }
        else{
            scanf("%d%s%Lf",&id,s,&x);
            if (x<=4000)x-=800;
            else x=x*4/5;
            calc(x,0,20000,20);
            calc(x,20000,50000,30);
            calc(x,50000,1e6,40);
        }
    }
    for (int i=1;i<=m;i++){
        for (int j=1;j<=12;j++){
            if (tot[i][j]==0)continue;
            tot[i][j]-=800;
            calc(tot[i][j],0,500,5);
            calc(tot[i][j],500,2000,10);
            calc(tot[i][j],2000,5000,15);
            calc(tot[i][j],5000,20000,20);
            calc(tot[i][j],20000,40000,25);
            calc(tot[i][j],40000,60000,30);
            calc(tot[i][j],60000,80000,35);
            calc(tot[i][j],80000,100000,40);
            calc(tot[i][j],100000,1e9,45);
        }
    }
    printf("%.2Lf\n",ans);
    return 0;
}