#include <bits/stdc++.h> #include <iostream> #include <string> #include <vector> using namespace std; #define rep(i,n) for(int i=0;i<n;i++) typedef long long ll; int main(){ int l,n; cin >> l >> n; vector<int> w(n); rep(i,n){ cin >> w[i]; } sort(w.begin(),w.end()); int sum = 0; int count = 0; rep(i,n){ sum += w[i]; if(sum <= l)count++; else break; } cout << count << endl; }