#include "bits/stdc++.h" using namespace std; using ll = long long int; using ld = long double; using vi = vector; using vvi = vector; using vvvi = vector; using vl = vector; using vvl = vector; using vvvl = vector; using vd = vector; using vvd = vector; using vb = vector; using vvb = vector; using vs = vector; const int INF = (1 << 30) - 1; const ll INF64 = ((ll)1 << 62) - 1; const double PI = 3.1415926535897932384626433832795; const int dx[] = { -1, 0, 1, 0 }; const int dy[] = { 0, 1, 0, -1 }; int gcd(int x, int y) { return y ? gcd(y, x % y) : x; } ll gcd(ll x, ll y) { return y ? gcd(y, x % y) : x; } int lcm(int x, int y) { return x / gcd(x, y) * y; } ll lcm(ll x, ll y) { return x / gcd(x, y) * y; } bool solve(int n, int m) { vi a(n); for (int i = 0; i < m; i++) { for (int j = 0; j < n; j++) { int input; cin >> input; a[j] += input; } set se{ 0 }; int sum = 0; for (int j = 0; j < n; j++) { sum += a[j]; se.insert(sum); if (se.count(sum - 777)) { return true; } } } return false; } int main() { ios::sync_with_stdio(false); cin.tie(0); int n, m; cin >> n >> m; cout << (solve(n, m) ? "YES" : "NO") << endl; return 0; }