#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using ld = long double;
using mint = modint998244353;

int main() {
  int h, w; cin >> h >> w;
  vector<vector<ll>> a(h, vector<ll>(w));
  for (int i = 0; i < h; i++) {
    for (int j = 0; j < w; j++) cin >> a[i][j];
  }
  queue<tuple<ll, ll, ll>> que;
  que.push({0, a[0][0], 0});
  vector<vector<ll>> vis(h, vector<ll>(w, 0));
  vis[0][0] = a[0][0];
  int dx[2] = {0, 1};
  int dy[2] = {1, 0};
  bool flag = false;
  while (!que.empty()) {
    auto &[id, at, dt] = que.front(); que.pop();
    int x = id / w;
    int y = id % w;
    if (x == h - 1 && y == w - 1) {
      flag = true;
      break;
    }
    for (int i = 0; i < 2; i++) {
      ll AT = at, DT = dt;
      int nx = x + dx[i];
      int ny = y + dy[i];
      if (0 > nx || nx >= h || 0 > ny || ny >= w) continue;
      //cout << nx << ' ' << ny << ' ' << AT << ' ' << DT << endl;
      if (a[nx][ny] >= AT) {
        if (nx == h - 1 && ny == w - 1) continue;
        else if (DT > 0) continue;
        else DT += 1;
      } else {
        AT += a[nx][ny];
      }
      if (vis[nx][ny] >= AT) continue;
      vis[nx][ny] = AT;
      que.push({nx * w + ny, AT, DT});
    }
  }
  cout << (flag ? "Yes": "No") << endl;
  return 0;
}