#include <bits/stdc++.h> using namespace std; #define rep(i,a,n) for(int i=a; i<(n); i++) #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto i:a) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() using Int = long long; const Int INF = 1LL << 60; const int inf = 1001001001; vector<int> dxs = {1, 0, -1, 0}; vector<int> dys = {0, 1, 0, -1}; struct Edge{ Int to, w; Edge(Int to, Int w) : to(to), w(w) {} }; int main(){ int n,m; cin>>n>>m; vector<int> sum(n,0); rep(i,0,m){ rep(j,0,n){ int a; cin>>a; sum[j]+=a; } int right=0; int cnt=sum[0]; bool ok=false; rep(left,0,n){ while(cnt<777&&right<n-1){ right++; cnt+=sum[right]; } if(cnt==777)ok=true; cnt-=sum[left]; } if(ok){ cout<<"YES"<<endl; return 0; } } cout<<"NO"<<endl; return 0; }