#include <stdio.h>
#include <math.h>
#define PI 3.14159265358979323846

int main() {
  int wall_height, max_angle;

  scanf("%d %d", &wall_height, &max_angle);
  double max_angle_radians = max_angle * PI / 180.0;
  double ladder_length = wall_height / sin(max_angle_radians);
  int rounded_length = (int)ceil(ladder_length);
  printf("%d\n", rounded_length);

  return 0;
}