poj 1017

#include<iostream>

using namespace std;

int main()
{
 start:
 int quit = 0;
 int products[6] = {0};
 int ind = 0;
 do
 {
  cin >> products[ind];

  quit = quit|products[ind];

  ind = (++ind);

 }while(ind!=6);
 if(quit == 0)
  return 1;
 
 int boxNo = products[5];

 if(products[4]!=0)
 {
  boxNo += products[4];

  products[0] -= (products[4]*11);
  if(products[0] < 0) products[0] = 0;

 }

 if(products[3]!=0)
 {
  boxNo += products[3];

  products[1] -= (products[3]*5);
  if(products[1] < 0)
  {
   products[0] += (products[1]*4);
   if(products[0] < 0) products[0] = 0;
   products[1] = 0;
  }
 }
 if(products[2]!=0)
 {
  boxNo += (products[2]/4);
  int p3 = products[2]%4;
  if(p3!=0)
  {
   boxNo++;
  
   if(p3==1)
   {
    products[1] -= 5;
    products[0] -=7;
    if(products[0] < 0) products[0] = 0;
    if(products[1] < 0)
    {
     products[0] += (products[1]*4);
     if(products[0] < 0) products[0] = 0;
     products[1] = 0;
    }
   }
   else if(p3==2)
   {
    products[1] -= 3;
    products[0] -=6;
    if(products[0] < 0) products[0] = 0;
    if(products[1] < 0)
    {
     products[0] += (products[1]*4);
     if(products[0] < 0) products[0] = 0;
     products[1] = 0;
    }
   }
   else if(p3==3)
   {
    products[1] -= 1;
    products[0] -= 3;
    if(products[0] < 0) products[0] = 0;
    if(products[1] < 0)
    {
     products[0] += (products[1]*4);
     if(products[0] < 0) products[0] = 0;
     products[1] = 0;
    }
   }
  }

 }
 if(products[1]!=0)
 {
  boxNo += (products[1]/9);

  int p2 = products[1]%9;
  if(p2!=0)
  {
   boxNo++;
   products[0] -= ((9-p2)*4);
   if(products[0]<0)
    products[0] = 0;
  }
 }

 if(products[0]!=0)
 {
  boxNo += (products[0]/36);
  boxNo += (products[0]%36>0?1:0);
 }

 cout << boxNo <<endl;

 goto start;
}