/* Wed Nov 12 17:20:34 JST 2003 : Start */
/* Wed Nov 12 17:58:30 JST 2003 : Accepted */
#include <stdio.h>
#include <math.h>
#define EPSILON (1e-7)

unsigned int number(int t, int c)
{
  return ((unsigned int)floor(M_PI / asin((double)c / (double)(t-c)) + EPSILON));
}

int main()
{
  unsigned int t, c;

  while (1) {
    scanf("%d", &t); if (feof(stdin)) { break; }
    scanf("%d", &c);

    if (t < c) {
      printf("Coin cannot fit in tray.\n");
    }
    else if (t < 2 * c) {
      printf("1 coin of size %u will fit the inner rim of a tray of size %u.\n",
	     c, t);
    }
    else {
      printf("%u coins of size %u will fit the inner rim of a tray of size %u.\n",
	     number(t, c), c, t);
    }
  }

  return 0;
}