#include<algorithm>
#include<bitset>
#include<cmath>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<deque>
#include<fstream>
#include<iostream>
#include<map>
#include<queue>
#include<set>
#include<stack>
#include<utility>
#include<vector>

using namespace std;

typedef long long int lld;
typedef pair<int,int> PII;

const int INF = (1<<31)-1;
const lld LINF = (1LL<<63)-1;

const int NMAX = 100000+5;
const int MMAX = 100000+5;
const int KMAX = 100000+5;
const int PMAX = 100000+5;
const int LMAX = 100000+5;
const int VMAX = 100000+5;

char sir[100];
double bani;

int main()
{


    gets(sir);

    //Single
    if(sir[1]='i')
    {
        scanf("%lf",&bani);
        if(bani<=9075) printf("%d\n",(int)(bani*0.1));
        else if(bani<=36900) printf("%d\n",(int)(bani*0.15));
        else if(bani<=89350) printf("%d\n",(int)(bani*0.25));
        else if(bani<=186350) printf("%d\n",(int)(bani*0.28));
        else if(bani<=405100) printf("%d\n",(int)(bani*0.33));
        else if(bani<=406750) printf("%d\n",(int)(bani*0.35));
        else printf("%d\n",(int)(bani*0.396));
    }

    //Married joint or surviving
    else if((sir[1]='a' && sir[8]=='j')||sir[1]=='u')
    {
        scanf("%lf",&bani);
        if(bani<=18150) printf("%d\n",(int)(bani*0.1));
        else if(bani<=73800) printf("%d\n",(int)(bani*0.15));
        else if(bani<=148850) printf("%d\n",(int)(bani*0.25));
        else if(bani<=226850) printf("%d\n",(int)(bani*0.28));
        else if(bani<=405100) printf("%d\n",(int)(bani*0.33));
        else if(bani<=457600) printf("%d\n",(int)(bani*0.35));
        else printf("%d\n",(int)(bani*0.396));
    }

    //Head
    else if(sir[1]='e')
    {
        scanf("%lf",&bani);
        if(bani<=12950) printf("%d\n",(int)(bani*0.1));
        else if(bani<=49400) printf("%d\n",(int)(bani*0.15));
        else if(bani<=127550) printf("%d\n",(int)(bani*0.25));
        else if(bani<=206600) printf("%d\n",(int)(bani*0.28));
        else if(bani<=405100) printf("%d\n",(int)(bani*0.33));
        else if(bani<=432200) printf("%d\n",(int)(bani*0.35));
        else printf("%d\n",(int)(bani*0.396));
    }

    //Married
    else if(sir[1]='a' && sir[8]=='f')
    {
        scanf("%lf",&bani);
        if(bani<=9075) printf("%d\n",(int)(bani*0.1));
        else if(bani<=36900) printf("%d\n",(int)(bani*0.15));
        else if(bani<=74425) printf("%d\n",(int)(bani*0.25));
        else if(bani<=113425) printf("%d\n",(int)(bani*0.28));
        else if(bani<=202550) printf("%d\n",(int)(bani*0.33));
        else if(bani<=228800) printf("%d\n",(int)(bani*0.35));
        else printf("%d\n",(int)(bani*0.396));
    }

    return 0;
}