var obj = init();
Main();
function nextInt(){return myconv(next(),1);}
function nextStrArray(){return myconv(next(),2);}//半角スペース分割
function nextIntArray(){return myconv(next(),4);}//半角スペース + 数値化
function nextCharArray(){return myconv(next(),6);}//1文字分割
function next(){return obj.next();}
function hasNext(){return obj.hasNext();}
function myin(){return require("fs").readFileSync("/dev/stdin", "utf8").trim().split("\n");}
function init(){
  var inputFile = myin();
  var returnObj = {
    "list" : inputFile, "index" : 0, "max" : inputFile.length,
    "hasNext" : function(){return (this.index < this.max);},
    "next" : function(){if(!this.hasNext()){return "";}else{var returnInput = this.list[this.index];this.index++;return returnInput;}}
  };
  return returnObj;
}
function myout(t){console.log(t);}//標準出力
function myerr(t){console.error(t);}//標準エラー出力
//[no]要素の扱い。数値型
//不明値、異常時:引数そのまま返す　1:数値へ変換
//2:半角SPで分割 4:半角SPで分割し、数値配列へ
//6:1文字で分割  7:1文字で分割し、数値配列へ
//8:半角SPで結合 9:改行で結合 0:文字なしで結合
function myconv(i,no){try{switch(no){case 1:return parseInt(i);case 2:return i.split(" ");case 4:return i.split(" ").map((a)=>Number(a));case 6:return i.split("");case 7:return i.split("").map((a)=>Number(a));case 8:return i.join(" ");case 9:return i.join("\n");case 0:return i.join("");default:return i;}}catch(e){return i;}}
function Main(){
  var N = nextInt();
  var list = new Array(10);
  for(var i = 0; i < 10; i++){
    list[i] = new Array(10).fill(false);
  }
  list[1][7] = "A";
  list[2][8] = "B";
  list[6][8] = "C";
  for(var i = 0; i < N; i++){
    var tmp = nextIntArray();
    var sx = tmp[0] - 1;
    var sy = tmp[1] - 1;
    var gx = tmp[2] - 1;
    var gy = tmp[3] - 1;
    list[gx][gy] = list[sx][sy];
    list[sx][sy] = false;
  }
  myerr(list);
  if(list[4][7] == "A" && list[3][7] == "B" && list[5][7] == "C"){
    myout("YES");
  }else{
    myout("NO");
  }
}