#include<bits/stdc++.h>
using namespace std;
typedef pair<int, int> P;

struct node{
  int t;
  int d;
  bool handle;
};

set< P > use;
set< P > locked;


bool by_t(node a, node b){
  return a.t < b.t;
}

bool by_d(node a, node b){
  return a.d > b.d;
}

int main(void){
  int n,k;
  cin >> n >> k;
  vector < node > task;
  for(int i = 0;i < n;++i){
    int t,d;
    cin >> t >> d;
    node n = {t,d,true};
    task.push_back(n);
  }
  sort(task.begin(),task.end(),by_d);
  for(int i = 0;i < (int)task.size();++i){
    int t = task[i].t;
    set< P >::iterator upper =
      locked.upper_bound(P(t,0));
    if(upper == locked.end() ||
       !(upper->second < t)){
      use.insert(P(t, t+k));
      locked.insert(P(t+k,t-k));
      task[i].handle = false;
    }
  }
  int res_max = 0;
  int res_sum = 0;
  for(int i = 0;i < (int)task.size();++i){
    if(task[i].handle){
      res_max = max(res_max, task[i].d);
      res_sum += task[i].d;
    }
  }
  cout << res_max << endl;
  cout << res_sum << endl;
  return 0;
}