/* -*- coding: utf-8 -*-
 *
 * 1570.cc:  No.1570 Blocks - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int MAX_N = 100000;

/* typedef */

typedef long long ll;
typedef pair<int,int> pii;

/* global variables */

pii ps[MAX_N];

/* subroutines */

/* main */

int main() {
  int n;
  scanf("%d", &n);

  for (int i = 0; i < n; i++) {
    int a, b;
    scanf("%d%d", &a, &b);
    ps[i] = pii(a + b, b);
  }
  sort(ps, ps + n);

  ll sum = 0;
  for (int i = 0; i < n; i++) {
    if (sum > ps[i].second) { puts("No"); return 0; }
    sum += ps[i].first - ps[i].second;
  }

  puts("Yes");
  return 0;
}