#include <bits/stdc++.h>
using namespace std;
template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl
typedef long long ll;
const ll mod = 1e9+7;
const int maxn = 10;
int n;
vector<int> a, b;
int main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin>>n;
a.resize(n);
b.resize(n);
for (int i=0; i<n; i++) {
cin>>a[i]>>b[i];
}
set<vector<int>> ss;
queue<vector<int>> qq;
qq.push(a);
auto gen = [](vector<int> v) {
int n = v.size();
vector<vector<int>> res;
for (int i=0; i<n; i++) {
if (v[i]>=2) {
vector<int> w = v;
w[i]-=2;
w[(i+1)%n]++;
res.push_back(w);
}
}
return res;
};
while (qq.size()) {
auto at = qq.front(); qq.pop();
ss.insert(at);
for (auto w: gen(at)) {
if (!ss.count(w)) {
ss.insert(w);
qq.push(w);
}
}
}
if (ss.count(b)) out("Yes");
out("No");
return 0;
}
