#include<bits/stdc++.h>
 
using namespace std;
 
#define BAI VINH
#define ll long long
#define FIO() ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define open() freopen(BAI".INP","r",stdin); freopen(BAI".OUT","w",stdout);
 
int main(){
    //open();
    FIO();
    int n; cin >> n;
    int c[2] = {0, 0};
    for (int i = 0; i < n; i++) {
        ll x, y; cin >> x >> y;
        c[abs(x + y) % 2]++;
    }
    if (n % 2 == 0 && c[0] == c[1]) cout << "YES";
    else cout << "NO";
    return 0;
}
 

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