func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long q = 0;     vector<long long> a;     a.push_back(0);     for (long long i = 0; i < 4; i++) {       long long te;       cin >> te;       a.push_back(te);     }     string s;     cin >> s;     for (long long i = 0; i < s.size(); i++) {       q += a[s[i] -  0 ];     }     cout << q;     return 0;     ;   }   