#include <iostream>
#include <cmath>    // untuk sin, pow, dll
using namespace std;
 
int main() {
    double sudut, kecepatan, g = 9.8; // percepatan gravitasi (m/s^2)
    cin >> sudut >> kecepatan;
 
    // ubah sudut ke radian
    double rad = sudut * M_PI / 90.0;
 
    // rumus ketinggian maksimum: h = (v^2 * sin^2(sudut)) / (2 * g)
    double ketinggian = (pow(kecepatan * sin(rad), 2)) / (2 * g);
 
    cout << "Prediksi ketinggian dicapai Boro dan teman-temannya: " 
         << ketinggian << " meter" << endl;
 
    return 0;
}

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