#include <bits/stdc++.h>
#pragma GCC optimize("O2")
using namespace std;
int power(int x, unsigned int y) {
  int res = 1;
  while (y > 0) {
    if (y & 1) res = res * x;
    y = y >> 1;
    x = x * x;
  }
  return res;
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
  int n, k;
  cin >> n >> k;
  vector<int> v(5001, 0);
  vector<int> vv(n);
  vector<int> final;
  multimap<int, int> mp;
  for (int i = 0; i < n; i++) {
    cin >> vv[i];
    final.push_back(vv[i]);
    v[vv[i]]++;
  }
  int max = *max_element(v.begin(), v.end());
  if (max > k) {
    cout << "NO";
    return 0;
  } else {
    cout << "YES\n";
    sort(vv.begin(), vv.end());
    int t = 0;
    for (int i = 0; i < n; i++) {
      t++;
      t = t % (k + 1);
      if (t == 0) {
        t = 1;
      }
      mp.insert({vv[i], t});
    }
    for (int i = 0; i < n; i++) {
      auto itr = mp.find(final[i]);
      cout << itr->second << " ";
      mp.erase(itr);
    }
  }
  return 0;
}
