#include <iostream>

using namespace std;

int a[8];
int b[8];

int count = 0;

void lol(int blood, int patient) {
    if(a[blood] >= b[patient]) {
        count += b[patient];
        a[blood]-=b[patient];
        b[patient]=0;
    } else {
        count += a[blood];
        b[patient]-=a[blood];
        a[blood]=0;
    }
}

int main() {
    for(int i=0; i<8; i++) {
        cin >> a[i];
    }

    for(int i=0; i<8; i++) {
        cin >> b[i];
    }

    //o-
    lol(0, 0);

    //0+
    lol(1, 1);
    lol(0, 1);

    //a-
    lol(2, 2);
    lol(0, 2);

    //a+
    lol(3, 3);
    lol(2, 3);
    lol(1, 3);
    lol(0, 3);

    //b-
    lol(4, 4);
    lol(0, 4);

    //b+
    lol(5, 5);
    lol(4, 5);
    lol(1, 5);
    lol(0, 5);

    //ab-
    lol(6, 6);
    lol(4, 6);
    lol(2, 6);
    lol(0, 6);

    //ab+
    lol(7, 7);
    lol(6, 7);
    lol(5, 7);
    lol(4, 7);
    lol(3, 7);
    lol(2, 7);
    lol(1, 7);
    lol(0, 7);

    cout << count;

    return 0;
}