#include using namespace std; using i64 = long long; #define rep(i,s,e) for(int (i) = (s);(i) <= (e);(i)++) int main(){ int N,M; cin >> N >> M; vector x(N,0); rep(c,0,M - 1){ vector A(N); rep(i,0,N - 1) cin >> A[i]; rep(i,0,N - 1) x[i] += A[i]; int r = 0; int sum = 0; rep(l,0,N - 1){ while(r < N && sum + x[r] <= 777){ sum += x[r]; r++; } if(sum == 777){ cout << "YES" << endl; return 0; } if(l == r) r++; else sum -= x[l]; } } cout << "NO" << endl; }