#include <iostream>
#include <fstream>
#include <string>
#include <set>

using namespace std;

ifstream f("date.in");
#define f cin

#define INF 0x3f3f3f3f

int table[10][10];
double percent[10];

void init()
{
    table[1][1] = 9075;
    table[1][2] = 36900;
    table[1][3] = 89350;
    table[1][4] = 186350;
    table[1][5] = 405100;
    table[1][6] = 406750;
    table[1][7] = INF;

    table[2][1] = 18150;
    table[2][2] = 73800;
    table[2][3] = 148850;
    table[2][4] = 226850;
    table[2][5] = 405100;
    table[2][6] = 457600;
    table[2][7] = INF;

    table[3][1] = 12950;
    table[3][2] = 49400;
    table[3][3] = 127550;
    table[3][4] = 206600;
    table[3][5] = 405100;
    table[3][6] = 432200;
    table[3][7] = INF;

    table[4][1] = 9075;
    table[4][2] = 36900;
    table[4][3] = 74425;
    table[4][4] = 113425;
    table[4][5] = 202550;
    table[4][6] = 228800;
    table[4][7] = INF;

    percent[0] = 10.0;
    percent[1] = 15.0;
    percent[2] = 25.0;
    percent[3] = 28.0;
    percent[4] = 33.0;
    percent[5] = 35.0;
    percent[6] = 39.6;
}

int main()
{
    init();

    int line = 0;
    string s;
    getline(f, s);
    int income;
    f >> income;

    if (s == "Single") line = 1;
    if (s == "Married joint filers") line = 2;
    if (s == "Surviving spouse") line = 2;
    if (s == "Heads of household") line = 3;
    if (s == "Married filing separately") line = 4;

    int i;
    for (i = 0; i < 7; i++) {
        if (table[line][i] < income && income <= table[line][i + 1]) {
            break;
        }
    }

    cout << (int)(income * percent[i] / 100);

    return 0;
}