#include "bits/stdc++.h"
#include<unordered_map>
#include<unordered_set>
#pragma warning(disable:4996)
using namespace std;
using ld = long double;
const ld eps = 1e-9;

//// < "d:\d_download\visual studio 2015\projects\programing_contest_c++\debug\a.txt" > "d:\d_download\visual studio 2015\projects\programing_contest_c++\debug\b.txt"


int main() {
	while (1) {
		int N, K; cin >> N >> K;
		if (!N)break;
		vector<int>ss(K);
		for (int i = 0; i < K; ++i) {
			cin >> ss[i];
		}
		for (int i = 0; i < N; ++i) {
			for (int j = 0; j < K; ++j) {
				int a; cin >> a;
				ss[j] -= a;
			}
		}
		bool ok = all_of(ss.begin(), ss.end(), [](const int a) {
			return a >= 0;
		});
		if (ok)cout << "Yes" << endl;
		else cout << "No" << endl;
	}
	return 0;
}