#include <bits/stdc++.h>
using namespace std;
const long double eps = 1e-13;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int n, m;
  cin >> n >> m;
  int k = n / m;
  vector<int> v(n);
  vector<vector<int>> d(m);
  for (int i = 0; i < (int)(n); ++i) {
    cin >> v[i];
    d[v[i] % m].push_back(i);
  }
  long long ans = 0;
  vector<pair<int, int>> free;
  for (int i = 0; i < (int)(2 * m); ++i) {
    int cur = i % m;
    while (d[cur].size() > k) {
      free.push_back(make_pair(d[cur].back(), i));
      d[cur].pop_back();
    }
    while (d[cur].size() < k && !free.empty()) {
      d[cur].push_back(free.back().first);
      v[free.back().first] += i - free.back().second;
      ans += i - free.back().second;
      free.pop_back();
    }
  }
  cout << ans << '\n';
  for (auto x : v) cout << x << ' ';
  return 0;
}
