#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;
ll mxa=0,mxb=0;
for(ll i=1;i<=n;i++){
cin>>a[i]>>b[i];
mxa=max(mxa,a[i]);
mxb=max(mxb,b[i]);
diff[i]=a[i]-b[i];
}
if(mxb==0){
cout<<(mxa==0 ? "Yes" : "No");
return 0;
}
for(ll _=1;_<=(ll)100;_++){
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";
}
