#include <iostream>
#include<cstring>
#include<string>
using namespace std;

int main()
{
    char c[100],d[100],e[100];
    cin>>c;
    if(c[0] == 'M')
    {
        cin>>d;
        cin>>e;
    }
    else if(c[0] == 'H')
    {
        cin>>d>>e;
    }
    else if(c[0] == 'S' && c[1] == 'u')cin>>d;
    int p;
    cin>>p;
    if(c[0] == 'S' && c[1] == 'i')
    {
        if(p<9076)cout<<p/10;
        else
        if(p>9075 && p<36901)cout<<p*15/100;
        else
        if(p>36600 && p<=89350)cout<<p*25/100;
        else
        if(p>89350 && p<=186350)cout<<p*28/100;
        else
        if(p>186350 && p<=405100)cout<<p*33/100;
        else
        if(p>405100 && p<=406750)cout<<p*35/100;
        else
        if(p>406750)cout<<p*39.6/100;
    }
    else if((c[0] == 'M' && c[1] == 'a' && d[0] == 'j') || (c[0] == 's' && c[1] == 'u'))
    {

        if(p<=18150)cout<<p/10;
        else
        if(p>18150 && p<=73800)cout<<p*15/100;
        else
        if(p>73800 && p<=148500)cout<<p*25/100;
        else
        if(p>148500 && p<=226850)cout<<p*28/100;
        else
        if(p>226850 && p<=405100)cout<<p*33/100;
        else
        if(p>405100 && p<=457600)cout<<p*35/100;
        else
        if(p>457600)cout<<p*39.6/100;
    }
    else if(c[0] == 'H' && c[1] == 'e')
    {

        if(p<12950)cout<<p/10;
        else
        if(p>12950 && p<=49400)cout<<p*15/100;
        else
        if(p>49400 && p<=127550)cout<<p*25/100;
        else
        if(p>127550 && p<=206600)cout<<p*28/100;
        else
        if(p>206600 && p<=405100)cout<<p*33/100;
        else
        if(p>405100 && p<=432200)cout<<p*35/100;
        else
        if(p>432200)cout<<p*39.6/100;
    }
    else    if(c[0] == 'M' && c[1] == 'a' && d[0] == 'f')
    {
        if(p<9076)cout<<p/10;
        else
        if(p>9075 && p<=36901)cout<<p*15/100;
        else
        if(p>36600 && p<=74425)cout<<p*25/100;
        else
        if(p>74425 && p<=113425)cout<<p*28/100;
        else
        if(p>113425 && p<=202550)cout<<p*33/100;
        else
        if(p>202550 && p<=228800)cout<<p*35/100;
        else
        if(p>228800)cout<<p*39.6/100;
    }
    return 0;
}