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

public class Main
{
	public static void main(String[] args)
	{
		FastReader reader = new FastReader();
		PrintWriter writer = new PrintWriter(System.out);

		int n = reader.nextInt();
		int k = reader.nextInt();
		long[][] dp = new long[n+1][n+1];
		long mod = 998244353;

		dp[0][1] =1;

		for (int i=1; i<=n; i++)
			for (int j=1; j<=i; j++)
			{
				for (int x=1; x<j; x++)
				{
					dp[i][j] += dp[i-x][j];
					dp[i][j] %= mod;
				}
				for (int x=1; x<=j; x++)
				{
					dp[i][j] += dp[i-j][x];	
					dp[i][j] %= mod;
				}
			}

		long ans = 0;

		/*for (int i=0; i<=n; i++)
		{
			for (int j=0; j<=n; j++)
				writer.print(dp[i][j] + " ");
			writer.println();
		}*/

		for (int i=1; i<=n; i++)
			for (int j=1; j<=n; j++)
				if (i*j < k)
				{
					ans += (dp[n][i]*dp[n][j])%mod;
					ans += mod;
				}

		writer.print((ans*2)%mod);
		writer.close();
	}

	static class FastReader
	{
		BufferedReader br;
		StringTokenizer st;

		public FastReader()
		{
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next()
		{
			while (st == null || !st.hasMoreElements())
			{
				try
				{
					st = new StringTokenizer(br.readLine());
				}
				catch (IOException e)
				{
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt()
		{
			return Integer.parseInt(next());
		}

		long nextLong()
		{
			return Long.parseLong(next());
		}

		double nextDouble()
		{
			return Double.parseDouble(next());
		}

		String nextLine()
		{
			String str = "";
			try
			{
				str = br.readLine();
			}
			catch (IOException e)
			{
				e.printStackTrace();
			}
			return str;
		}
	}
}