### BUGGY CODE ###

def examA():
    N = DI()/dec(7)
    ans = N
    print(N)
    return

def examB():
    ans = 0
    print(ans)
    return

def examC():
    ans = 0
    print(ans)
    return

def examD():
    N, K = LI()
    A = LI()
    A.sort()
    mask = (1 << (K + 1)) - 1

    dp_L = [0]*(N+1)
    dp_R = [0]*(N+1)
    dp_L[0] = 1
    dp_R[N] = 1

    for i in range(N):
        a = A[i]
        dp_L[i+1] = dp_L[i]|((dp_L[i]<<a)&mask)

    for i in range(N)[::-1]:
        a = A[i]
        dp_R[i] = dp_R[i+1]|((dp_R[i+1]<<a)&mask)


    #print(dp_L)
    #print(dp_R)
    
    noneed = -1; need = N
    while(need-noneed>1):
        i = (need+noneed)//2
        a = A[i]
        is_need = False
        L = dp_L[i]
        R = dp_R[i+1]
        l = 0; r = K
        while(l<K):
            while ((not L&(1<<l)) and l<K):
                l += 1
            while((not R&(1<<r)) or (0<r and K<=l+r)):
                r -= 1
            #print(l,r)
            if r<0:
                break
            if K<=l+r:
                break

            if K<=l+r+a:
                is_need = True
                break

            l += 1

        if is_need:
            need = i
        else:
            noneed = i

    ans = noneed + 1
    print(ans)
    return

from decimal import getcontext,Decimal as dec
import sys,bisect,itertools,heapq,math,random
from copy import deepcopy
from heapq import heappop,heappush,heapify
from collections import Counter,defaultdict,deque
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
def I(): return int(input())
def LI(): return list(map(int,sys.stdin.readline().split()))
def DI(): return dec(input())
def LDI(): return list(map(dec,sys.stdin.readline().split()))
def LSI(): return list(map(str,sys.stdin.readline().split()))
def LS(): return sys.stdin.readline().split()
def SI(): return sys.stdin.readline().strip()
global mod,mod2,inf,alphabet,_ep
mod = 10**9 + 7
mod2 = 998244353
inf = 10**18
_ep = dec("0.000000000001")
alphabet = [chr(ord('a') + i) for i in range(26)]
alphabet_convert = {chr(ord('a') + i): i for i in range(26)}

getcontext().prec = 28

sys.setrecursionlimit(10**7)

if __name__ == '__main__':
    examD()

"""
142
12 9 1445 0 1
asd dfg hj o o
aidn
"""

### FIXED CODE ###

def examA():
    N = DI()/dec(7)
    ans = N
    print(N)
    return

def examB():
    ans = 0
    print(ans)
    return

def examC():
    ans = 0
    print(ans)
    return

def examD():
    N, K = LI()
    A = LI()
    A.sort()
    mask = (1 << K) - 1

    noneed = -1; need = N
    while(need-noneed>1):
        #print(noneed,need)
        i = (need+noneed)//2
        if A[i]>=K:
            is_need = True
        else:
            dp = 1
            for j in range(N):
                a = A[j]
                if a>K:
                    break
                if i == j:
                    continue
                dp |= ((dp << a) & mask)
            # print(dp,mask)

            is_need = (dp > mask>>A[i])

            # print(is_need,i)

        if is_need:
            need = i
        else:
            noneed = i

    ans = noneed + 1

    print(ans)
    return

from decimal import getcontext,Decimal as dec
import sys,bisect,itertools,heapq,math,random
from copy import deepcopy
from heapq import heappop,heappush,heapify
from collections import Counter,defaultdict,deque
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
def I(): return int(input())
def LI(): return list(map(int,sys.stdin.readline().split()))
def DI(): return dec(input())
def LDI(): return list(map(dec,sys.stdin.readline().split()))
def LSI(): return list(map(str,sys.stdin.readline().split()))
def LS(): return sys.stdin.readline().split()
def SI(): return sys.stdin.readline().strip()
global mod,mod2,inf,alphabet,_ep
mod = 10**9 + 7
mod2 = 998244353
inf = 10**18
_ep = dec("0.000000000001")
alphabet = [chr(ord('a') + i) for i in range(26)]
alphabet_convert = {chr(ord('a') + i): i for i in range(26)}

getcontext().prec = 28

sys.setrecursionlimit(10**7)

if __name__ == '__main__':
    examD()

"""
142
12 9 1445 0 1
asd dfg hj o o
aidn
"""