计算题：装箱问题

//poj:1017
#include<stdio.h>
int main()
{
	int a,b,c,d,e,f,x,y,N;
	int u[4]={0,5,3,1};
	while(1)
	{
		scanf("%d%d%d%d%d%d",&a,&b,&c,&d,&e,&f);
		if(a==0&&b==0&&c==0&&d==0&&e==0&&f==0)break;
		N=f+d+e+(c+3)/4;
		y=5*d+u[c%4];
		if(b>y)
		N+=(b-y+8)/9;
		x=36*N-36*f-25*e-16*d-9*c-4*d;
		if(a>x)
		N+=(a-x+35)/36;
		printf("%d\n",N);
	}
	return 0;
}