func_code_string: #include <bits/stdc++.h>   using namespace std;   bool maxl(long long a, long long b) { return a > b; }   bool minl(long long a, long long b) { return a < b; }   bool cmp(int a, int b) { return a > b; }   inline int read() {     int x = 0, f = 1;     char ch = getchar();     while (ch <  0  || ch >  9 ) {       if (ch ==  - ) f = -1;       ch = getchar();     }     while (ch >=  0  && ch <=  9 ) {       x = (x << 1) + (x << 3) + (ch ^ 48);       ch = getchar();     }     return x * f;   }   int main() {     int a[105], ji = 0, ou = 0, i, j, n, ans = 0;     n = read();     for (i = 0; i < n; i++) {       a[i] = read();       if (a[i] % 2 == 0) {         ou++;       } else {         ji++;       }       ans += a[i];     }     sort(a, a + n);     if (ans % 2 == 1) {       cout << ans << endl;     } else {       if (ji >= 1) {         for (i = 0; i < n; i++)           if (a[i] % 2 == 1) {             ans -= a[i];             break;           }         cout << ans << endl;       } else {         cout << 0 << endl;       }     }   }   