#include using namespace std; #ifdef LOCAL #include "settings/debug.cpp" #define _GLIBCXX_DEBUG #else #define Debug(...) void(0) #endif #define rep(i, n) for (int i = 0; i < (n); ++i) using ll = long long; using ull = unsigned long long; int main() { ll n, k; cin >> n >> k; vector a(n); rep(i, n) cin >> a[i]; sort(a.begin(), a.end()); ll ans = 0; rep(i, n) { ll x = (2 * k + a[i] - 1) / a[i]; ans += a.end() - lower_bound(a.begin(), a.end(), x); } cout << ans << endl; return 0; }