#include <iostream>
#include <sstream>
#include <utility>
#include <map>

using namespace std;

typedef pair<int, bool> number;

int main()
{
  bool first = true;
  int p, s;
  while (cin >> p && p > 0) {
    cin >> s;
    if (first) { first = false; }
    else       { cout << endl; }

    number n[128][128];
    map< pair<int, int>, int> results;

    for (int i = 0; i < p + 1; i++) {
      for (int j = 0; j < s + 1; j++) {
        string str; cin >> str;
        if (str == "?") { n[i][j].second = true; }
        else {
          istringstream iss(str);
          iss >> n[i][j].first;
          n[i][j].second = false;
        }
      }
    }

    while (true) {
      bool found = false;

      for (int i = 0; i < p; i++) {
        int sum = 0, missing = -1;
        for (int j = 0; j < s; j++) {
          if (n[i][j].second) {
            if (missing >= 0) { missing = -1; break; }
            else { missing = j; }
          } else {
            sum += n[i][j].first;
          }
        }
        if (missing >= 0) {
          found = true; n[i][missing].first = (n[i][s].first - sum); n[i][missing].second = false;
          results[make_pair(i, missing)] = n[i][missing].first;
        }
      }

      for (int j = 0; j < s; j++) {
        int sum = 0, missing = -1;
        for (int i = 0; i < p; i++) {
          if (n[i][j].second) {
            if (missing >= 0) { missing = -1; break; }
            else { missing = i; }
          } else {
            sum += n[i][j].first;
          }
        }
        if (missing >= 0) {
          found = true; n[missing][j].first = (n[p][j].first - sum); n[missing][j].second = false;
          results[make_pair(missing, j)] = n[missing][j].first;
        }
      }

      if (!found) { break; }
    }

    bool found = false;
    for (int i = 0; i < p; i++) {
      for (int j = 0; j < s; j++) {
        if (n[i][j].second) { found = true; }
      }
    }
    if (found) { cout << "NO" << endl; }
    else {
      for (map< pair<int, int>, int>::iterator it = results.begin();
           it != results.end();
           it++) {
        cout << it->second << endl;
      }
    }
  }
  return 0;
}