#include <bits/stdc++.h> #define FOR(I,A,B) for(int I=A;I<B;I++) #define ALL(C) C.begin(), C.end() using namespace std; int main() { int L, N; cin >> L >> N; vector<int> W(N); FOR(i,0,N) cin >> W[i]; sort(ALL(W)); int a=0; int s=0; FOR(i,0,N) { s+=W[i]; if ( s > L ) break; a++; } cout << a << endl; return EXIT_SUCCESS; }