#include <bits/stdc++.h>   using namespace std;   const long long MAXN = 200100, M = 1000000009;   string s;   long long n, ans = 0, a[MAXN], b[MAXN];   void obra(long long v) {     long long tc = 0, k = a[v];     for (long long i = 0; i < n; i++) {       b[i] = a[i] + k / n;       if (i == v) b[i] -= a[i];     }     k %= 14;     for (long long i = 0; i < k; i++) {       b[(v + 1 + i) % n]++;     }     for (long long i = 0; i < n; i++) {       if (b[i] % 2 == 0) {         tc += b[i];       }     }     if (ans < tc) ans = tc;   }   int main() {     ios_base::sync_with_stdio(0);     n = 14;     for (long long i = 0; i < n; i++) {       cin >> a[i];     }     for (long long i = 0; i < n; i++) obra(i);     cout << ans;     return 0;   }   