import std.algorithm;
import std.array;
import std.ascii;
import std.bigint;
import std.complex;
import std.container;
import std.conv;
import std.functional;
import std.math;
import std.range;
import std.stdio;
import std.string;
import std.typecons;

auto readInts() {
	return array(map!(to!int)(readln().strip().split()));
}
auto readInt() {
	return readInts()[0];
}
auto readLongs() {
	return array(map!(to!long)(readln().strip().split()));
}
auto readLong() {
	return readLongs()[0];
}

void readlnTo(T...)(ref T t) {
    auto s = readln().split();
    assert(s.length == t.length);
    foreach(ref ti; t) {
        ti = s[0].to!(typeof(ti));
        s = s[1..$];
    }
}

const real eps = 1e-10;

void main(){
    auto a = readLongs();
    auto ai = a[0];
    auto ao = a[1];
    auto aj = a[3];
    auto al = a[4];
    long nOdd;
    long ans;
    foreach(ax; [ai, aj, al]) {
        if(ax % 2 == 1) {
            nOdd += 1;
        }
    }
    if(nOdd >= 2 && ai > 0 && aj > 0 && al > 0) {
        ans += 3;
        --ai;
        --aj;
        --al;
    }
    ans += (ai/2)*2 + (aj/2)*2 + (al/2)*2 + ao;
    writeln(ans);
}

