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#include <iostream>
#include <cmath>
int main()
{
using namespace std;
int n,w,mi,a = 0;
cin >> n >> w;
for (int i = 0; i < n; ++i)
{
cin >> mi;
if (mi <= w)
{
a++;
}else if (mi > w)
{
a += 2;
}
}
cout << ceil((double)a/2.0);
return 0;
}