poj 1017 Packets

#include <iostream>
using namespace std;
int main()
{
    int arr[8];
    while(cin>>arr[1]>>arr[2]>>arr[3]>>arr[4]>>arr[5]>>arr[6])
    {
        if(arr[1]+arr[2]+arr[3]+ar r[4]+arr[5]+arr[6]==0)
            break;
        int pack=0;
        
        pack+=arr[6]+arr[5];
        arr[1]=arr[1]>arr[5]*11?arr[1]-arr[5]*11:0;

        pack+=arr[4];
        if(arr[2]>=arr[4]*5)
            arr[2]-=arr[4]*5;
        else
        {
            int t1=arr[4]*20-arr[2]*4;
            arr[1]=arr[1]>t1?arr[1]-t1:0;
            arr[2]=0;
        }
        
        pack+=arr[3]/4;
        arr[3]%=4;
        if(arr[3]>0)
            pack++;
        if(arr[3]==1)
        {
            if(arr[2]>5)
            {
                arr[2]-=5;
                arr[1]=arr[1]>7?arr[1]-7:0;
            }
            else
            {
                int t2=27-4*arr[2];
                arr[1]=arr[1]>t2?arr[1]-t2:0;
                arr[2]=0;
            }
        }
        else if(arr[3]==2)
        {
            if(arr[2]>3)
            {
                arr[2]-=3;
                arr[1]=arr[1]>6?arr[1]-6:0;
            }
            else
            {
                int t2=18-4*arr[2];
                arr[1]=arr[1]>t2?arr[1]-t2:0;
                arr[2]=0;
            }
        }
        else if(arr[3]==3)
        {
            if(arr[2]>1)
            {
                arr[2]-=1;
                arr[1]=arr[1]>5?arr[1]-5:0;
            }
            else
            {
                int t2=9-4*arr[2];
                arr[1]=arr[1]>t2?arr[1]-t2:0;
                arr[2]=0;
            }
        }
        
        pack+=arr[2]/9;
        arr[2]%=9;
        if(arr[2]>0)
        {
            pack++;
            int t3=36-arr[2]*4;
            arr[1]=arr[1]>t3?arr[1]-t3:0;
        }

        if(arr[1]>0)
        {
            pack+=1+arr[1]/36;
            if(arr[1]%36==0)
                pack--;
        }

        cout<<pack<<endl;
    }
    return 0;
}