#include <iostream>
#include <algorithm>
using namespace std;

int main(){
    int l, n;
    cin >> l >> n;

    int w[n];
    for(int i = 0; i < n; i++){
        cin >> w[i];
    }

    sort(w, w + n);

    int ans;
    int count = 0;

    int num = 0;
    for(int i = 0; i < n; i++){
        //cout << i << endl;
        num = 0;
        for(int j = 0; j < i; j++){
            num += w[j];
        }
        if(num <= l){
            ans = i;
        }
    }

    cout << ans << endl;
}