#include<iostream>
#include<cmath>
using namespace std;
const int N = 100005;
int a[N];
int main()
{
    int n, k;
    cin >> n >> k;
    for (int i = 1; i <= n; i++) cin >> a[i];
    int LLL = 0, t = 0, ma = 0;
    for (int i = 1; i <= n; i++) LLL += a[i];
    if (LLL % n != 0)
    {
        cout << "NO" << endl;
        return 0;
    }
    cout << "YES" << " ";
    for (int i = 1; i <= n; i++) ma = max(ma, a[i]);
    for (int i = 1; i <= n; i++) t+=(ma-a[i])/k;
    cout << t;
    return 0;
}