func_code_string: #include <bits/stdc++.h>   using namespace std;   const int mod = 1000000007;   const long long MOD = 1000000007;   const long long INF = 1LL << 60;   long long xn[101010];   int solve() {     long long a, b, c, d, e, f;     cin >> a >> b >> c >> d >> e >> f;     long long ans = 0;     for (long long i = 0; i <= d; i++) {       long long one = min(i, a);       long long two = min(d - i, min(b, c));       ans = max(ans, e * one + f * two);     }     cout << ans << endl;     return 0;   }   int main() {     ios::sync_with_stdio(false);     cin.tie(0);     solve();   }   