装箱问题

a = [0,0,0,0,0,0]
#如果放入n个3x3的，剩余空间可以放入2x2的数量
value2 = [0,5,3,1]
sum = 0
result = []
b2 = [0,5,3,1]

#读取文件
file = open('C:/project/a.txt')
while 1:
    line = file.readline()
   
    a = [int(r) for r in line.split()]
    #
    if a == [0, 0, 0, 0, 0, 0]:
        break
    if a != [0, 0, 0, 0, 0, 0]:
        sum = a[5]
        sum += a[4]
        sum += a[3]
        #3x3  //整除
        sum += (a[2]+3)//4
        #2x2  
        y = 5*a[3] + b2[a[2]%4]
        if a[1]>y:
            sum += (a[1]-y+8)//9
        x = sum*36 - a[5]*36 - a[4]*25 - a[3]*16 - a[2]*9 - a[1]*4
        if a[0]>x:
            sum += (a[0]-x+35)//36
        
        #print(sum) 
        result.append(sum)        
        
    if not line:
        break
    pass
         
    
#写入文件
pre=str(result)
pre=pre.replace("["," ")
pre=pre.replace(",","\n")
pre=pre.replace("]","")+"\n"

f=open("C:/project/b.txt","w")
f.write(str(pre))
f.close()