#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;

//template
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define rrep(i,a,b) for(int i=(a);i>(b);i--)
#define ALL(v) (v).begin(),(v).end()
typedef long long int ll; typedef pair<ll, ll> P;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<typename A,size_t N,typename T>void Fill(A(&array)[N],const T &val){fill((T*)array, (T*)(array+N), val);}
const int inf = INT_MAX / 2; const ll INF = LLONG_MAX / 2;
//template end



int main(){
    int n; scanf("%d",&n);
    int x1=2,y1=8,x2=3,y2=9,x3=7,y3=9;
    rep(i,0,n){
        int w,x,y,z;
        scanf("%d%d%d%d",&w,&x,&y,&z);
        if(w==x1&&x==y1)x1=y,y1=z;
        if(w==x2&&x==y2)x2=y,y2=z;
        if(w==x3&&x==y3)x3=y,y3=z;
    }
    printf(x1==5&&y1==8&&x2==4&&y2==8&&x3==6&&y3==8?"YES":"NO");
    return 0;
}