func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int tt = 1;     while (tt--) {       int n, a, b, c;       cin >> n >> a >> b >> c;       int mv = min(min(a, b), c);       int q = n / mv, ans = 0;       for (int x = 0; x <= q; x++) {         for (int y = 0; y <= q - x; y++) {           float z = ((n - x * a - y * b) * 1.0) / c;           if (z == (int)z && z >= 0) ans = max(ans, x + y + (int)z);         }       }       cout << ans;     }   }   