#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector<ll>;
using vvll = vector<vll>;
using vvvll = vector<vvll>;

using vb = vector<bool>;
using vvb = vector<vb>;
using vvvb = vector<vvb>;

#define all(A) A.begin(),A.end()
#define rep(i, n) for (ll i = 0; i < (ll) (n); i++)

vvll G;


int main() {
    ll N,K;
    cin>>N>>K;
    vll A(N);
    rep(i,N)cin>>A[i];
    sort(all(A));
    ll an=0;
    rep(i,N){
        an+=A.end()-lower_bound(all(A),(2*K-1)/A[i]+1);
    }
    cout<<an<<endl;
}