#include using namespace std; const int MAXN = 1 << 10; const int MAXM = 1 << 10; int N, M; int A[MAXM][MAXN]; int cur[MAXN]; int pcur[MAXN + 1]; signed main() { ios::sync_with_stdio(false); cin >> N >> M; for (int i = 0; i < M; ++i) { for (int j = 0; j < N; ++j) { cin >> A[i][j]; } } for (int i = 0; i < M; ++i) { for (int j = 0; j < N; ++j) { cur[j] += A[i][j]; } for (int j = 0; j < N; ++j) { pcur[j + 1] = pcur[j] + cur[j]; } multiset bag; for (int j = 0; j <= N; ++j) { bag.emplace(pcur[j]); } for (int j = 0; j < N; ++j) { bag.erase(bag.find(pcur[j])); if (bag.count(777 + pcur[j])) { cout << "YES" << endl; exit(0); } } } cout << "NO" << endl; return 0; }