// UUID: cdb0f048-0436-498b-b5ae-28f0cda119b1
#include <bits/stdc++.h>
using namespace std;

int main() {
	int n, x;
    cin >> n >> x;

    vector <int> itemek(n);
    for(int i = 0; i < n; i++)
        cin >> itemek[i];
    
    int maradek = 0;
    for(int i = 0; i < n; i++)
        maradek += itemek[i] % x;

    int egesz = 0;
    for(int i = 0; i < n; i++)
        egesz += itemek[i] / x;
    
    if(maradek < egesz)
    {
        cout << maradek + (egesz-maradek)*x/(x+1);
    }
    else{
        cout << egesz;
    }
}