#include <iostream>
#include<vector>
#include<algorithm>
#define int long long
using namespace std;
void p(int x, int n, vector<int> a, vector<int> b, vector<int> &c, vector<int> &oa) {
a[n - 1] -= 2 * x, a[0] += x, c[n - 1] = 2 * x;
for (int i = n - 2; i >= 0; --i)
a[i] -= (2 * (b[i + 1] - a[i + 1])), c[i] = (2 * (b[i + 1] - a[i + 1]));
if ((a[0] != b[0]) || (*min_element(c.begin(), c.end())) < 0) return;
for (int i = 0; i < n; ++i) if (c[i] <= oa[i]) { cout << "Yes"; exit(0); }
}
int32_t main() {
ios_base::sync_with_stdio(false); cin.tie(NULL);
int n; cin >> n;
vector<int> a(n), b(n), c(n, 0);
for (int i = 0; i < n; ++i)
cin >> a[i] >> b[i];
for (int x = 0; x < 100; ++x) p(x, n, a, b, c, a);
cout << "No";
}
