using System;
using System.Linq;

namespace y
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] ss = Console.ReadLine().Split();
            int n = int.Parse(ss[0]);
            int m = int.Parse(ss[1]);
            int[] a = new int[n];
            bool f = false;

            for (int i = 0; i < m; i++)
            {
                int[] b = Console.ReadLine().Split().Select(x => int.Parse(x)).ToArray();
                for (int j = 0; j < n; j++)
                {
                    a[j] += b[j];
                }

                for (int j = 0; j < n; j++)
                {
                    if (a[j] == 777)
                    {
                        f = true;
                        break;
                    }
                    int r = 0;
                    for (int k = j; k < n; k++)
                    {
                        r += a[k];
                    }
                    if (r == 777)
                    {
                        f = true;
                        break;
                    }
                }
                if (f) break;
            }
            if (f) Console.WriteLine("YES");
            else Console.WriteLine("NO");
        }
    }
}