Last K Numbers Sums

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            int a = int.Parse(Console.ReadLine());
            int b = int.Parse(Console.ReadLine());
            int[] array = new int[a*a];
            int sum = 0;
            int cnt = 0;
            array[0] = 1;
            if (a==1)
            {
                Console.WriteLine(1);
            }
            else
            {
                for (int i = 1; i < a; i++)
                {
                    sum = 0;

                    for (int j = 0; j < i; j++)
                    {
                        sum += array[j];
                    }
                    array[i] = sum;
                }
                for (int i = b; i <= a; i++)
                {
                    sum = 0;

                    for (int j = i - 1; j >= cnt; j--)
                    {
                        sum += array[j];
                    }
                    cnt++;
                    array[i] = sum;
                }
                for (int n = 0; n < a; n++)
                {
                    Console.Write(array[n] + " ");
                }
            }
        }
    }
}