using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using static System.Console;
using static System.Math;

namespace AtCoder
{
    public class Program
    {
        const long Mod = 1000000007;
        public static void Main (string[] args)
        {
            new Program ().Solve (new ConsoleInput (Console.In, ' '));
        }

        public void Solve (ConsoleInput cin)
        {
            int N = cin.ReadInt;

            int count = 0;
            bool flag = false;

            for(int i=0;i<N;i++){
                int D1 = cin.ReadInt;
                int D2 = cin.ReadInt;
                if(D1 == D2){
                    count++;
                    if(count == 3){
                        flag = true;
                    }
                }
                else{
                    count = 0;
                }
            }

            if(flag) Console.WriteLine("Yes");
            else Console.WriteLine("No");                  
                
            
        }


        public static long CombinationMod (long m, long n)
        {
            var a = 1L;
            var b = 1L;
            for (long i = 1; i <= n; i++)
            {
                a = (a * (m - i + 1)) % Mod;
                b = (b * i) % Mod;
            }

            return ModDiv (a, b) % Mod;
        }
        static long ModDiv (long x1, long x2)
        {
            long bb = ModPow (x2, Mod - 2);
            return (x1 * bb) % Mod;
        }

        static long ModPow (long x1, long x2)
        {
            long ans = 1;
            while (x2 > 0)
            {
                if (x2 % 2 == 1)
                {
                    ans = (ans * x1) % Mod;
                }
                x2 /= 2;
                if (x2 == 0) break;
                x1 = (x1 * x1) % Mod;
            }
            return ans % Mod;
        }
    }

    public class ConsoleInput
    {
        private readonly System.IO.TextReader _stream;
        private char _separator = ' ';
        private Queue<string> inputStream;
        public ConsoleInput (System.IO.TextReader stream, char separator = ' ')
        {
            this._separator = separator;
            this._stream = stream;
            inputStream = new Queue<string> ();
        }
        public string Read
        {
            get
            {
                if (inputStream.Count != 0) return inputStream.Dequeue ();
                string[] tmp = _stream.ReadLine ().Split (_separator);
                for (int i = 0; i < tmp.Length; ++i)
                    inputStream.Enqueue (tmp[i]);
                return inputStream.Dequeue ();
            }
        }
        public string ReadLine { get { return _stream.ReadLine (); } }
        public int ReadInt { get { return int.Parse (Read); } }
        public long ReadLong { get { return long.Parse (Read); } }
        public double ReadDouble { get { return double.Parse (Read); } }
        public string[] ReadStrArray (long N) { var ret = new string[N]; for (long i = 0; i < N; ++i) ret[i] = Read; return ret; }
        public int[] ReadIntArray (long N) { var ret = new int[N]; for (long i = 0; i < N; ++i) ret[i] = ReadInt; return ret; }
        public long[] ReadLongArray (long N) { var ret = new long[N]; for (long i = 0; i < N; ++i) ret[i] = ReadLong; return ret; }
    }
}

Measured memory_bytes: 27920