#include<bits/stdc++.h>
#define REP(i,n) for(int i=0,i##_len=(n);i<i##_len;++i)
#define rep(i,a,b) for(int i=int(a);i<int(b);++i)
#define All(x) (x).begin(),(x).end()
using namespace std;

int main(){
    int N;cin>>N;
    vector<vector<int>> porn(10,vector<int>(10,0));
    porn[2][8]=1;
    porn[3][9]=2;
    porn[7][9]=3;
    REP(i,N){
        int x1,y1,x2,y2;
        cin>>x1>>y1>>x2>>y2;
        porn[x2][y2]=porn[x1][y1];
        porn[x1][y1]=-1;
    }
    if(porn[5][8]==1&&porn[4][8]==2&&porn[6][8]==3) cout<<"YES"<<endl;
    else cout<<"NO"<<endl;
}