#include <bits/stdc++.h>
//qwerty47924692
using namespace std;
using ll = int;
const ll N=2e5+29;
const string br="617283";
#define sz(a)(ll)a.size()
#define f first
#define s second
ll n,a[24],b[24],diff[24];
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
srand((time(0)));
cin>>n;
for(ll i=1;i<=n;i++){
cin>>a[i]>>b[i];
diff[i]=a[i]-b[i];
}
for(ll _=1;_<=(ll)1e5;_++){
for(ll i=1;i<=n;i++){
if(diff[i]>0){
diff[i%n+1]+=(diff[i]+1)/2;
diff[i]-=(diff[i]+1)/2*2;
}
}
}for(ll i=1;i<=n;i++){
if(diff[i]){
cout<<"No";
return 0;
}
}
cout<<"Yes";
}
