package manila;

import java.io.*;
import java.util.*;


/**
 * @author Tomoya Taniguchi
 */
public class A
{

	public static void main(String[] args)throws Exception
	{
		BufferedReader r = new BufferedReader(new FileReader("coins.in"));
		
		while(true)
		{
			String str1 = r.readLine();
			if(str1 == null)break;
			if("".equals(str1))break;
			String str2 = r.readLine();
			
			double r1 = Double.parseDouble(str1);
			double r2 = Double.parseDouble(str2);
			
			if(r1 < r2)
			{
				System.out.println("Coin cannot fit in tray.");
				continue;
			}
			
			
			
			if(r1 / 2 < r2)
			{
				System.out.println(
				"1 coin of size " +
				  str2+
				 " will fit the inner rim of a tray of size " +
				  str1 +
				   ".");
				continue;
			}
			
			int ans = 2;
			while((r1-r2)*Math.sin(Math.PI/ans) > r2)
			{
				ans++;
			}
			ans--;
			
				System.out.println(
				""+ ans + " coins of size " +
				  str2+
				 " will fit the inner rim of a tray of size " +
				  str1 +
				   ".");
			
		}
		
		
	}
}