#include #include #include #include #include using ll = long long; using namespace std; const int MOD = 1e9+7; int main() { int N, M; cin >> N >> M; vector a(N,0); for(int i = 0; i < M; i++) { for(int j = 0; j < N; j++) { int x; cin >> x; a[j] += x; } //しゃくとり int left = 0, sum = 0; for(int right = 0; right < N; right++) { sum += a[right]; while (sum > 777 && left <= right) { sum -= a[left]; left++; } if (sum == 777) { cout << "YES" << endl; return 0; } } } cout << "NO" << endl; return 0; }