#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000001

int main(){
	
	int N;
	cin>>N;
	vector<pair<long long,int>> P(N);
	vector<long long> A(N),B(N);
	
	rep(i,N){
		cin>>A[i]>>B[i];
		P[i] = make_pair(A[i]+B[i],i);
	}
	
	sort(P.begin(),P.end());
	
	long long cur = 0LL;
	
	rep(i,N){
		int ind = P[i].second;
		if(cur > B[ind]){
			cout<<"No"<<endl;
			return 0;
		}
		cur += A[ind];
	}
	
	cout<<"Yes"<<endl;
	
    return 0;
}