#include <iostream>
using namespace std;

int main(){
    int aw, ab, bw, bb, c, d;
    cin >> aw >> ab >> bw >> bb >> c >> d;
    
    if(ab >= c){
        ab -= c;
        bb += c;
    }else{
        int tmp = c - ab;
        bb += ab;
        ab = 0;
        aw -= tmp;
        bw += tmp;
    }
    
    if(bw >= d){
        aw += d;
        bw -= d;
    }else{
        int tmp = d - bw;
        aw += bw;
        bw = 0;
        bb -= tmp;
        ab += tmp;
    }
    
    
    
    return 0;
}