#include<bits/stdc++.h>
using namespace std;
int main ()
{
    freopen("chocolate.in", "r", stdin);
    freopen("chocolate.out", "w", stdout);

    long long n;
    cin>>n;
    long long k;
    cin>>k;

    long long a[n+10];
    for (long long i=0; i<n; i++) cin>>a[i];

    sort(a, a+n);

    if (a[0]>k)
    {
        cout<<0<<endl;
        return 0;
    }

    for (long long i=1; i<n; i++)
    {
        if (a[i]+a[i-1]>k)
        {
            cout<<i<<endl;
            break;
        }
    }

    return 0;
}