#include using namespace std; const int N = 110; int n, m; int w[N]; int f[N]; int main() { cin >> m >> n; for (int i = 1; i <= n; i++) cin >> w[i]; for (int i = 1; i <= n; i++) for (int j = m; j >= w[i]; j--) f[j] = max(f[j], f[j - w[i]] + w[i]); cout << f[m] << endl; return 0; }