#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin >> N;
  vector<int> A(N), B(N);
  for (int i = 0; i < N; i++){
    cin >> A[i] >> B[i];
  }
  vector<pair<int, int>> P(N);
  for (int i = 0; i < N; i++){
    P[i] = make_pair(A[i] + B[i], i);
  }
  sort(P.begin(), P.end());
  long long sum = 0;
  bool ok = true;
  for (int i = 0; i < N; i++){
    if (sum > B[P[i].second]){
      ok = false;
    }
    sum += A[P[i].second];
  }
  if (ok){
    cout << "Yes" << endl;
  } else {
    cout << "No" << endl;
  }
}