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;}