func_code_string: #include <bits/stdc++.h>   using namespace std;   const int n = 1e7;   int main() {     long long a, b, c, ans = 0;     cin >> a >> b >> c;     long long mx = max(a, max(b, c));     long long sum = (a + b + c) - mx;     if (sum * 2 <= mx)       cout << sum << endl;     else       cout << (a + b + c) / 3 << endl;   }   